diff --git a/AUTHORS b/AUTHORS
index b3d8d8ed..96f2e834 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -24,7 +24,7 @@ and nasty bugs.
 
 -----
 
-Copyright (C) 1998-2015, 2018-2021 Free Software Foundation, Inc.
+Copyright (C) 1998-2015, 2018-2022 Free Software Foundation, Inc.
 
 This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/ChangeLog-2012 b/ChangeLog-2012
index 882818f3..fc1b67ec 100644
--- a/ChangeLog-2012
+++ b/ChangeLog-2012
@@ -26732,7 +26732,7 @@
 
 	-----
 
-	Copyright (C) 1987-1988, 1991-2015, 2018-2021 Free Software
+	Copyright (C) 1987-1988, 1991-2015, 2018-2022 Free Software
 	Foundation, Inc.
 
 	Copying and distribution of this file, with or without
diff --git a/Makefile.am b/Makefile.am
index 18218b2e..fc774aaa 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,6 +1,6 @@
 ## Process this file with automake to produce Makefile.in.
 
-# Copyright (C) 2001-2015, 2018-2021 Free Software Foundation, Inc.
+# Copyright (C) 2001-2015, 2018-2022 Free Software Foundation, Inc.
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/NEWS b/NEWS
index 4711a480..aabca967 100644
--- a/NEWS
+++ b/NEWS
@@ -4735,7 +4735,7 @@ mode: outline
 fill-column: 76
 End:
 
-Copyright (C) 1995-2015, 2018-2021 Free Software Foundation, Inc.
+Copyright (C) 1995-2015, 2018-2022 Free Software Foundation, Inc.
 
 This file is part of Bison, the GNU Parser Generator.
 
diff --git a/PACKAGING b/PACKAGING
index ac4a2101..7c20caf2 100644
--- a/PACKAGING
+++ b/PACKAGING
@@ -36,7 +36,7 @@ to the bison package.
 
 -----
 
-Copyright (C) 2002, 2005, 2009-2015, 2018-2021 Free Software Foundation,
+Copyright (C) 2002, 2005, 2009-2015, 2018-2022 Free Software Foundation,
 Inc.
 
 This file is part of Bison, the GNU Compiler Compiler.
diff --git a/README b/README
index b6064400..7a73bc68 100644
--- a/README
+++ b/README
@@ -120,7 +120,7 @@ fill-column: 76
 ispell-dictionary: "american"
 End:
 
-Copyright (C) 1992, 1998-1999, 2003-2005, 2008-2015, 2018-2021 Free
+Copyright (C) 1992, 1998-1999, 2003-2005, 2008-2015, 2018-2022 Free
 Software Foundation, Inc.
 
 This file is part of GNU bison, the GNU Compiler Compiler.
diff --git a/README-alpha b/README-alpha
index da7d2648..f8b3f614 100644
--- a/README-alpha
+++ b/README-alpha
@@ -12,7 +12,7 @@ the problems you encounter.
 
 -----
 
-Copyright (C) 2002, 2004, 2009-2015, 2018-2021 Free Software Foundation,
+Copyright (C) 2002, 2004, 2009-2015, 2018-2022 Free Software Foundation,
 Inc.
 
 This file is part of GNU Bison.
diff --git a/README-hacking.md b/README-hacking.md
index 57ad1efe..b5647fff 100644
--- a/README-hacking.md
+++ b/README-hacking.md
@@ -638,7 +638,7 @@ bootstrapped.
 
 <!--
 
-Copyright (C) 2002-2005, 2007-2015, 2018-2021 Free Software Foundation,
+Copyright (C) 2002-2005, 2007-2015, 2018-2022 Free Software Foundation,
 Inc.
 
 This file is part of GNU Bison.
diff --git a/THANKS b/THANKS
index 14e678c0..8ab72096 100644
--- a/THANKS
+++ b/THANKS
@@ -239,7 +239,7 @@ End:
 
 -----
 
-Copyright (C) 2000-2015, 2018-2021 Free Software Foundation, Inc.
+Copyright (C) 2000-2015, 2018-2022 Free Software Foundation, Inc.
 
 This file is part of Bison, the GNU Parser Generator.
 
diff --git a/TODO b/TODO
index 3fd48fac..781a4240 100644
--- a/TODO
+++ b/TODO
@@ -714,7 +714,7 @@ fill-column: 76
 ispell-dictionary: "american"
 End:
 
-Copyright (C) 2001-2004, 2006, 2008-2015, 2018-2021 Free Software
+Copyright (C) 2001-2004, 2006, 2008-2015, 2018-2022 Free Software
 Foundation, Inc.
 
 This file is part of Bison, the GNU Compiler Compiler.
diff --git a/bootstrap.conf b/bootstrap.conf
index 6b818fc6..6e9dd1cd 100644
--- a/bootstrap.conf
+++ b/bootstrap.conf
@@ -1,6 +1,6 @@
 # Bootstrap configuration.
 
-# Copyright (C) 2006-2015, 2018-2021 Free Software Foundation, Inc.
+# Copyright (C) 2006-2015, 2018-2022 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/build-aux/Darwin.valgrind b/build-aux/Darwin.valgrind
index 23ab4415..1dc24f90 100644
--- a/build-aux/Darwin.valgrind
+++ b/build-aux/Darwin.valgrind
@@ -1,4 +1,4 @@
-# Copyright (C) 2012-2015, 2018-2021 Free Software Foundation, Inc.
+# Copyright (C) 2012-2015, 2018-2022 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/build-aux/Linux.valgrind b/build-aux/Linux.valgrind
index 6b669202..7400a433 100644
--- a/build-aux/Linux.valgrind
+++ b/build-aux/Linux.valgrind
@@ -1,4 +1,4 @@
-# Copyright (C) 2012-2015, 2018-2021 Free Software Foundation, Inc.
+# Copyright (C) 2012-2015, 2018-2022 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/build-aux/cross-options.pl b/build-aux/cross-options.pl
index 754b4ee7..87434841 100755
--- a/build-aux/cross-options.pl
+++ b/build-aux/cross-options.pl
@@ -2,7 +2,7 @@
 
 # Generate a release announcement message.
 
-# Copyright (C) 2007-2021 Free Software Foundation, Inc.
+# Copyright (C) 2007-2022 Free Software Foundation, Inc.
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/build-aux/local.mk b/build-aux/local.mk
index cc0a5d73..ee0e33fc 100644
--- a/build-aux/local.mk
+++ b/build-aux/local.mk
@@ -1,4 +1,4 @@
-## Copyright (C) 2000-2015, 2018-2021 Free Software Foundation, Inc.
+## Copyright (C) 2000-2015, 2018-2022 Free Software Foundation, Inc.
 ##
 ## This program is free software: you can redistribute it and/or modify
 ## it under the terms of the GNU General Public License as published by
diff --git a/build-aux/update-b4-copyright b/build-aux/update-b4-copyright
index d83b8072..43d6f0ee 100755
--- a/build-aux/update-b4-copyright
+++ b/build-aux/update-b4-copyright
@@ -3,7 +3,7 @@
 # Update b4_copyright invocations or b4_copyright_years definitions to
 # include the current year.
 
-# Copyright (C) 2009-2015, 2018-2021 Free Software Foundation, Inc.
+# Copyright (C) 2009-2015, 2018-2022 Free Software Foundation, Inc.
 
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/build-aux/update-package-copyright-year b/build-aux/update-package-copyright-year
index 9ad0ba12..cb8ea352 100755
--- a/build-aux/update-package-copyright-year
+++ b/build-aux/update-package-copyright-year
@@ -2,7 +2,7 @@
 
 # In configure.ac, update PACKAGE_COPYRIGHT_YEAR to the current year.
 
-# Copyright (C) 2010-2015, 2018-2021 Free Software Foundation, Inc.
+# Copyright (C) 2010-2015, 2018-2022 Free Software Foundation, Inc.
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/build-aux/update-test b/build-aux/update-test
index dd73e25a..11e92532 100755
--- a/build-aux/update-test
+++ b/build-aux/update-test
@@ -2,7 +2,7 @@
 
 # Update expectations in an Autotest test suite.
 
-# Copyright (C) 2019-2021 Free Software Foundation, Inc.
+# Copyright (C) 2019-2022 Free Software Foundation, Inc.
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/cfg.mk b/cfg.mk
index 9c3f334d..ad580762 100644
--- a/cfg.mk
+++ b/cfg.mk
@@ -1,5 +1,5 @@
 ## Customize maint.mk                           -*- makefile -*-
-## Copyright (C) 2008-2015, 2018-2021 Free Software Foundation, Inc.
+## Copyright (C) 2008-2015, 2018-2022 Free Software Foundation, Inc.
 
 ## This program is free software: you can redistribute it and/or modify
 ## it under the terms of the GNU General Public License as published by
diff --git a/configure.ac b/configure.ac
index 926dc99f..ab5f8e91 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 # Configure template for GNU Bison.                   -*-Autoconf-*-
 #
-# Copyright (C) 2001-2015, 2018-2021 Free Software Foundation, Inc.
+# Copyright (C) 2001-2015, 2018-2022 Free Software Foundation, Inc.
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -24,7 +24,7 @@ AC_INIT([GNU Bison],
         [bug-bison@gnu.org],
         [],
         [https://www.gnu.org/software/bison/])
-AC_SUBST([PACKAGE_COPYRIGHT_YEAR], [2021])
+AC_SUBST([PACKAGE_COPYRIGHT_YEAR], [2022])
 AC_DEFINE_UNQUOTED([PACKAGE_COPYRIGHT_YEAR], [$PACKAGE_COPYRIGHT_YEAR],
                    [The copyright year for this package])
 
diff --git a/data/README.md b/data/README.md
index 09886ea8..dea32d2d 100644
--- a/data/README.md
+++ b/data/README.md
@@ -207,7 +207,7 @@ fill-column: 76
 ispell-dictionary: "american"
 End:
 
-Copyright (C) 2002, 2008-2015, 2018-2021 Free Software Foundation, Inc.
+Copyright (C) 2002, 2008-2015, 2018-2022 Free Software Foundation, Inc.
 
 This file is part of GNU Bison.
 
diff --git a/data/bison-default.css b/data/bison-default.css
index aadaba17..70932172 100644
--- a/data/bison-default.css
+++ b/data/bison-default.css
@@ -1,5 +1,5 @@
 /* Default styling rules for Bison when doing terminal output.
-   Copyright (C) 2019-2021 Free Software Foundation, Inc.
+   Copyright (C) 2019-2022 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/data/local.mk b/data/local.mk
index c51d287c..3f5bc68e 100644
--- a/data/local.mk
+++ b/data/local.mk
@@ -1,4 +1,4 @@
-## Copyright (C) 2002, 2005-2015, 2018-2021 Free Software Foundation,
+## Copyright (C) 2002, 2005-2015, 2018-2022 Free Software Foundation,
 ## Inc.
 
 ## This program is free software: you can redistribute it and/or modify
diff --git a/data/skeletons/bison.m4 b/data/skeletons/bison.m4
index b7bf5c5c..22e6abe6 100644
--- a/data/skeletons/bison.m4
+++ b/data/skeletons/bison.m4
@@ -2,7 +2,7 @@
 
 # Language-independent M4 Macros for Bison.
 
-# Copyright (C) 2002, 2004-2015, 2018-2021 Free Software Foundation,
+# Copyright (C) 2002, 2004-2015, 2018-2022 Free Software Foundation,
 # Inc.
 
 # This program is free software: you can redistribute it and/or modify
diff --git a/data/skeletons/c++-skel.m4 b/data/skeletons/c++-skel.m4
index f22002b9..3ff1d551 100644
--- a/data/skeletons/c++-skel.m4
+++ b/data/skeletons/c++-skel.m4
@@ -2,7 +2,7 @@
 
 # C++ skeleton dispatching for Bison.
 
-# Copyright (C) 2006-2007, 2009-2015, 2018-2021 Free Software
+# Copyright (C) 2006-2007, 2009-2015, 2018-2022 Free Software
 # Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
diff --git a/data/skeletons/c++.m4 b/data/skeletons/c++.m4
index 2ae8423a..78f71fce 100644
--- a/data/skeletons/c++.m4
+++ b/data/skeletons/c++.m4
@@ -2,7 +2,7 @@
 
 # C++ skeleton for Bison
 
-# Copyright (C) 2002-2021 Free Software Foundation, Inc.
+# Copyright (C) 2002-2022 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/data/skeletons/c-like.m4 b/data/skeletons/c-like.m4
index a9bbc2e8..79a761f7 100644
--- a/data/skeletons/c-like.m4
+++ b/data/skeletons/c-like.m4
@@ -2,7 +2,7 @@
 
 # Common code for C-like languages (C, C++, Java, etc.)
 
-# Copyright (C) 2012-2015, 2018-2021 Free Software Foundation, Inc.
+# Copyright (C) 2012-2015, 2018-2022 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/data/skeletons/c-skel.m4 b/data/skeletons/c-skel.m4
index ac6ddd68..a3315f2b 100644
--- a/data/skeletons/c-skel.m4
+++ b/data/skeletons/c-skel.m4
@@ -2,7 +2,7 @@
 
 # C skeleton dispatching for Bison.
 
-# Copyright (C) 2006-2007, 2009-2015, 2018-2021 Free Software
+# Copyright (C) 2006-2007, 2009-2015, 2018-2022 Free Software
 # Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
diff --git a/data/skeletons/c.m4 b/data/skeletons/c.m4
index 2425b071..6f90ebe8 100644
--- a/data/skeletons/c.m4
+++ b/data/skeletons/c.m4
@@ -2,7 +2,7 @@
 
 # C M4 Macros for Bison.
 
-# Copyright (C) 2002, 2004-2015, 2018-2021 Free Software Foundation,
+# Copyright (C) 2002, 2004-2015, 2018-2022 Free Software Foundation,
 # Inc.
 
 # This program is free software: you can redistribute it and/or modify
diff --git a/data/skeletons/d-skel.m4 b/data/skeletons/d-skel.m4
index 2a38f02f..436ec1dd 100644
--- a/data/skeletons/d-skel.m4
+++ b/data/skeletons/d-skel.m4
@@ -2,7 +2,7 @@
 
 # D skeleton dispatching for Bison.
 
-# Copyright (C) 2018-2021 Free Software Foundation, Inc.
+# Copyright (C) 2018-2022 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/data/skeletons/d.m4 b/data/skeletons/d.m4
index c0632e47..9354b0fe 100644
--- a/data/skeletons/d.m4
+++ b/data/skeletons/d.m4
@@ -2,7 +2,7 @@
 
 # D language support for Bison
 
-# Copyright (C) 2018-2021 Free Software Foundation, Inc.
+# Copyright (C) 2018-2022 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/data/skeletons/glr.c b/data/skeletons/glr.c
index fab3733f..fd654140 100644
--- a/data/skeletons/glr.c
+++ b/data/skeletons/glr.c
@@ -2,7 +2,7 @@
 
 # GLR skeleton for Bison
 
-# Copyright (C) 2002-2015, 2018-2021 Free Software Foundation, Inc.
+# Copyright (C) 2002-2015, 2018-2022 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -199,7 +199,7 @@ b4_glr_cc_if([],
 [b4_header_if(
 [b4_output_begin([b4_spec_header_file])
 b4_copyright([Skeleton interface for Bison GLR parsers in C],
-             [2002-2015, 2018-2021])[
+             [2002-2015, 2018-2022])[
 ]b4_cpp_guard_open([b4_spec_mapped_header_file])[
 ]b4_shared_declarations[
 ]b4_cpp_guard_close([b4_spec_mapped_header_file])[
@@ -213,7 +213,7 @@ b4_copyright([Skeleton interface for Bison GLR parsers in C],
 
 b4_output_begin([b4_parser_file_name])
 b4_copyright([Skeleton implementation for Bison GLR parsers in C],
-             [2002-2015, 2018-2021])[
+             [2002-2015, 2018-2022])[
 /* C GLR parser skeleton written by Paul Hilfinger.  */
 
 ]b4_disclaimer[
diff --git a/data/skeletons/glr.cc b/data/skeletons/glr.cc
index 7181402f..e31083f8 100644
--- a/data/skeletons/glr.cc
+++ b/data/skeletons/glr.cc
@@ -1,6 +1,6 @@
 # C++ GLR skeleton for Bison
 
-# Copyright (C) 2002-2015, 2018-2021 Free Software Foundation, Inc.
+# Copyright (C) 2002-2015, 2018-2022 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -381,7 +381,7 @@ b4_percent_code_get([[requires]])[
 ]b4_header_if(
 [b4_output_begin([b4_spec_header_file])
 b4_copyright([Skeleton interface for Bison GLR parsers in C++],
-             [2002-2015, 2018-2021])[
+             [2002-2015, 2018-2022])[
 // C++ GLR parser skeleton written by Akim Demaille.
 
 ]b4_disclaimer[
diff --git a/data/skeletons/glr2.cc b/data/skeletons/glr2.cc
index 757d68d4..604de731 100644
--- a/data/skeletons/glr2.cc
+++ b/data/skeletons/glr2.cc
@@ -1,6 +1,6 @@
 # C++ GLR skeleton for Bison
 
-# Copyright (C) 2002-2015, 2018-2021 Free Software Foundation, Inc.
+# Copyright (C) 2002-2015, 2018-2022 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/data/skeletons/java-skel.m4 b/data/skeletons/java-skel.m4
index 11cbc499..cde22050 100644
--- a/data/skeletons/java-skel.m4
+++ b/data/skeletons/java-skel.m4
@@ -2,7 +2,7 @@
 
 # Java skeleton dispatching for Bison.
 
-# Copyright (C) 2007, 2009-2015, 2018-2021 Free Software Foundation,
+# Copyright (C) 2007, 2009-2015, 2018-2022 Free Software Foundation,
 # Inc.
 
 # This program is free software: you can redistribute it and/or modify
diff --git a/data/skeletons/java.m4 b/data/skeletons/java.m4
index 8b0828b0..e6bafb8c 100644
--- a/data/skeletons/java.m4
+++ b/data/skeletons/java.m4
@@ -2,7 +2,7 @@
 
 # Java language support for Bison
 
-# Copyright (C) 2007-2015, 2018-2021 Free Software Foundation, Inc.
+# Copyright (C) 2007-2015, 2018-2022 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/data/skeletons/lalr1.cc b/data/skeletons/lalr1.cc
index 7cb69d3d..ce4c6a3d 100644
--- a/data/skeletons/lalr1.cc
+++ b/data/skeletons/lalr1.cc
@@ -1,6 +1,6 @@
 # C++ skeleton for Bison
 
-# Copyright (C) 2002-2015, 2018-2021 Free Software Foundation, Inc.
+# Copyright (C) 2002-2015, 2018-2022 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -159,7 +159,7 @@ m4_ifdef([b4_lex_param], [, ]b4_lex_param))])])
 
 
 m4_pushdef([b4_copyright_years],
-           [2002-2015, 2018-2021])
+           [2002-2015, 2018-2022])
 
 m4_define([b4_parser_class],
           [b4_percent_define_get([[api.parser.class]])])
diff --git a/data/skeletons/lalr1.d b/data/skeletons/lalr1.d
index 97303772..3195dbf8 100644
--- a/data/skeletons/lalr1.d
+++ b/data/skeletons/lalr1.d
@@ -1,6 +1,6 @@
 # D skeleton for Bison -*- autoconf -*-
 
-# Copyright (C) 2007-2012, 2019-2021 Free Software Foundation, Inc.
+# Copyright (C) 2007-2012, 2019-2022 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -61,7 +61,7 @@ b4_use_push_for_pull_if([
 # or as class instance variable when doing push parsing.
 b4_output_begin([b4_parser_file_name])
 b4_copyright([Skeleton implementation for Bison LALR(1) parsers in D],
-             [2007-2012, 2019-2021])[
+             [2007-2012, 2019-2022])[
 ]b4_disclaimer[
 ]b4_percent_define_ifdef([package], [module b4_percent_define_get([package]);
 ])[
diff --git a/data/skeletons/lalr1.java b/data/skeletons/lalr1.java
index 1bbecca1..11a46873 100644
--- a/data/skeletons/lalr1.java
+++ b/data/skeletons/lalr1.java
@@ -1,6 +1,6 @@
 # Java skeleton for Bison                           -*- java -*-
 
-# Copyright (C) 2007-2015, 2018-2021 Free Software Foundation, Inc.
+# Copyright (C) 2007-2015, 2018-2022 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/data/skeletons/location.cc b/data/skeletons/location.cc
index 3870b2bc..091a95b1 100644
--- a/data/skeletons/location.cc
+++ b/data/skeletons/location.cc
@@ -1,6 +1,6 @@
 # C++ skeleton for Bison
 
-# Copyright (C) 2002-2015, 2018-2021 Free Software Foundation, Inc.
+# Copyright (C) 2002-2015, 2018-2022 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -16,7 +16,7 @@
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 m4_pushdef([b4_copyright_years],
-           [2002-2015, 2018-2021])
+           [2002-2015, 2018-2022])
 
 
 # b4_location_file
diff --git a/data/skeletons/stack.hh b/data/skeletons/stack.hh
index 98913258..552910a2 100644
--- a/data/skeletons/stack.hh
+++ b/data/skeletons/stack.hh
@@ -1,6 +1,6 @@
 # C++ skeleton for Bison
 
-# Copyright (C) 2002-2015, 2018-2021 Free Software Foundation, Inc.
+# Copyright (C) 2002-2015, 2018-2022 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/data/skeletons/variant.hh b/data/skeletons/variant.hh
index 2a490e8f..98a0b3c9 100644
--- a/data/skeletons/variant.hh
+++ b/data/skeletons/variant.hh
@@ -1,6 +1,6 @@
 # C++ skeleton for Bison
 
-# Copyright (C) 2002-2015, 2018-2021 Free Software Foundation, Inc.
+# Copyright (C) 2002-2015, 2018-2022 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/data/skeletons/yacc.c b/data/skeletons/yacc.c
index 64b9ac62..fd7e2c33 100644
--- a/data/skeletons/yacc.c
+++ b/data/skeletons/yacc.c
@@ -1,11 +1,11 @@
 #                                                            -*- C -*-
 # Yacc compatible skeleton for Bison
 
-# Copyright (C) 1984, 1989-1990, 2000-2015, 2018-2021 Free Software
+# Copyright (C) 1984, 1989-1990, 2000-2015, 2018-2022 Free Software
 # Foundation, Inc.
 
 m4_pushdef([b4_copyright_years],
-           [1984, 1989-1990, 2000-2015, 2018-2021])
+           [1984, 1989-1990, 2000-2015, 2018-2022])
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/data/xslt/bison.xsl b/data/xslt/bison.xsl
index 989a3437..7599f13c 100644
--- a/data/xslt/bison.xsl
+++ b/data/xslt/bison.xsl
@@ -3,7 +3,7 @@
 <!--
     bison.xsl - common templates for Bison XSLT.
 
-    Copyright (C) 2007-2015, 2018-2021 Free Software Foundation, Inc.
+    Copyright (C) 2007-2015, 2018-2022 Free Software Foundation, Inc.
 
     This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/data/xslt/xml2dot.xsl b/data/xslt/xml2dot.xsl
index 7715d1ac..8d99ed17 100644
--- a/data/xslt/xml2dot.xsl
+++ b/data/xslt/xml2dot.xsl
@@ -3,7 +3,7 @@
 <!--
     xml2dot.xsl - transform Bison XML Report into DOT.
 
-    Copyright (C) 2007-2015, 2018-2021 Free Software Foundation, Inc.
+    Copyright (C) 2007-2015, 2018-2022 Free Software Foundation, Inc.
 
     This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/data/xslt/xml2text.xsl b/data/xslt/xml2text.xsl
index 1fc5731a..62d5fd45 100644
--- a/data/xslt/xml2text.xsl
+++ b/data/xslt/xml2text.xsl
@@ -3,7 +3,7 @@
 <!--
     xml2text.xsl - transform Bison XML Report into plain text.
 
-    Copyright (C) 2007-2015, 2018-2021 Free Software Foundation, Inc.
+    Copyright (C) 2007-2015, 2018-2022 Free Software Foundation, Inc.
 
     This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/data/xslt/xml2xhtml.xsl b/data/xslt/xml2xhtml.xsl
index aaa5dbaa..f608a255 100644
--- a/data/xslt/xml2xhtml.xsl
+++ b/data/xslt/xml2xhtml.xsl
@@ -3,7 +3,7 @@
 <!--
     xml2html.xsl - transform Bison XML Report into XHTML.
 
-    Copyright (C) 2007-2015, 2018-2021 Free Software Foundation, Inc.
+    Copyright (C) 2007-2015, 2018-2022 Free Software Foundation, Inc.
 
     This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/doc/bison.texi b/doc/bison.texi
index 2dab6c49..92c8d74e 100644
--- a/doc/bison.texi
+++ b/doc/bison.texi
@@ -173,7 +173,7 @@
 This manual (@value{UPDATED}) is for GNU Bison (version @value{VERSION}),
 the GNU parser generator.
 
-Copyright @copyright{} 1988--1993, 1995, 1998--2015, 2018--2021 Free
+Copyright @copyright{} 1988--1993, 1995, 1998--2015, 2018--2022 Free
 Software Foundation, Inc.
 
 @quotation
diff --git a/doc/local.mk b/doc/local.mk
index a8aa2088..1911c2a1 100644
--- a/doc/local.mk
+++ b/doc/local.mk
@@ -1,4 +1,4 @@
-## Copyright (C) 2001-2003, 2005-2015, 2018-2021 Free Software
+## Copyright (C) 2001-2003, 2005-2015, 2018-2022 Free Software
 ## Foundation, Inc.
 
 ## This program is free software: you can redistribute it and/or modify
diff --git a/doc/refcard.tex b/doc/refcard.tex
index 7fd7507b..0e21a649 100644
--- a/doc/refcard.tex
+++ b/doc/refcard.tex
@@ -19,7 +19,7 @@
 \def\finalout{\overfullrule=0pt}
 %\finalout
 
-% Copyright (c) 1998, 2001, 2009--2015, 2018--2021 Free Software
+% Copyright (c) 1998, 2001, 2009--2015, 2018--2022 Free Software
 % Foundation, Inc.
 %
 % This file is part of Bison.
diff --git a/etc/README.md b/etc/README.md
index 996b640d..6ba4e763 100644
--- a/etc/README.md
+++ b/etc/README.md
@@ -22,7 +22,7 @@ fill-column: 76
 ispell-dictionary: "american"
 End:
 
-Copyright (C) 2006, 2009-2015, 2018-2021 Free Software Foundation, Inc.
+Copyright (C) 2006, 2009-2015, 2018-2022 Free Software Foundation, Inc.
 
 This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/etc/bench.pl.in b/etc/bench.pl.in
index b3006ae5..e2ea0748 100755
--- a/etc/bench.pl.in
+++ b/etc/bench.pl.in
@@ -1,6 +1,6 @@
 #! /usr/bin/perl -w
 
-# Copyright (C) 2006, 2008-2015, 2018-2021 Free Software Foundation,
+# Copyright (C) 2006, 2008-2015, 2018-2022 Free Software Foundation,
 # Inc.
 #
 # This file is part of Bison, the GNU Compiler Compiler.
diff --git a/etc/local.mk b/etc/local.mk
index 78c1a986..6f6bb6de 100644
--- a/etc/local.mk
+++ b/etc/local.mk
@@ -1,4 +1,4 @@
-## Copyright (C) 2006, 2008-2015, 2018-2021 Free Software Foundation,
+## Copyright (C) 2006, 2008-2015, 2018-2022 Free Software Foundation,
 ## Inc.
 
 ## This program is free software: you can redistribute it and/or modify
diff --git a/examples/README.md b/examples/README.md
index cc467dc0..7eafd8d2 100644
--- a/examples/README.md
+++ b/examples/README.md
@@ -17,7 +17,7 @@ fill-column: 76
 ispell-dictionary: "american"
 End:
 
-Copyright (C) 2018-2021 Free Software Foundation, Inc.
+Copyright (C) 2018-2022 Free Software Foundation, Inc.
 
 Permission is granted to copy, distribute and/or modify this document
 under the terms of the GNU Free Documentation License, Version 1.3 or
diff --git a/examples/c++/README.md b/examples/c++/README.md
index dff3783e..91ab18cf 100644
--- a/examples/c++/README.md
+++ b/examples/c++/README.md
@@ -55,7 +55,7 @@ fill-column: 76
 ispell-dictionary: "american"
 End:
 
-Copyright (C) 2018-2021 Free Software Foundation, Inc.
+Copyright (C) 2018-2022 Free Software Foundation, Inc.
 
 Permission is granted to copy, distribute and/or modify this document
 under the terms of the GNU Free Documentation License, Version 1.3 or
diff --git a/examples/c++/calc++/README.md b/examples/c++/calc++/README.md
index 6aaebc2a..11ee1810 100644
--- a/examples/c++/calc++/README.md
+++ b/examples/c++/calc++/README.md
@@ -36,7 +36,7 @@ fill-column: 76
 ispell-dictionary: "american"
 End:
 
-Copyright (C) 2018-2021 Free Software Foundation, Inc.
+Copyright (C) 2018-2022 Free Software Foundation, Inc.
 
 Permission is granted to copy, distribute and/or modify this document
 under the terms of the GNU Free Documentation License, Version 1.3 or
diff --git a/examples/c++/calc++/calc++.test b/examples/c++/calc++/calc++.test
index 290e6c24..318c0c83 100755
--- a/examples/c++/calc++/calc++.test
+++ b/examples/c++/calc++/calc++.test
@@ -1,6 +1,6 @@
 #! /bin/sh
 
-# Copyright (C) 2005-2015, 2018-2021 Free Software Foundation, Inc.
+# Copyright (C) 2005-2015, 2018-2022 Free Software Foundation, Inc.
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/examples/c++/calc++/local.mk b/examples/c++/calc++/local.mk
index df3435cb..521cf4bf 100644
--- a/examples/c++/calc++/local.mk
+++ b/examples/c++/calc++/local.mk
@@ -1,4 +1,4 @@
-## Copyright (C) 2005-2006, 2008-2015, 2018-2021 Free Software
+## Copyright (C) 2005-2006, 2008-2015, 2018-2022 Free Software
 ## Foundation, Inc.
 ##
 ## This program is free software: you can redistribute it and/or modify
diff --git a/examples/c++/glr/README.md b/examples/c++/glr/README.md
index ed06a0c6..7142bde2 100644
--- a/examples/c++/glr/README.md
+++ b/examples/c++/glr/README.md
@@ -13,7 +13,7 @@ fill-column: 76
 ispell-dictionary: "american"
 End:
 
-Copyright (C) 2020-2021 Free Software Foundation, Inc.
+Copyright (C) 2020-2022 Free Software Foundation, Inc.
 
 This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/examples/c++/glr/ast.hh b/examples/c++/glr/ast.hh
index 4faa640e..ba3ec239 100644
--- a/examples/c++/glr/ast.hh
+++ b/examples/c++/glr/ast.hh
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 2020-2021 Free Software Foundation, Inc.
+  Copyright (C) 2020-2022 Free Software Foundation, Inc.
 
   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
diff --git a/examples/c++/glr/c++-types.test b/examples/c++/glr/c++-types.test
index db5be8d7..8f6050ea 100644
--- a/examples/c++/glr/c++-types.test
+++ b/examples/c++/glr/c++-types.test
@@ -1,6 +1,6 @@
 #! /bin/sh
 
-# Copyright (C) 2020-2021 Free Software Foundation, Inc.
+# Copyright (C) 2020-2022 Free Software Foundation, Inc.
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/examples/c++/glr/c++-types.yy b/examples/c++/glr/c++-types.yy
index a3131b05..d011da04 100644
--- a/examples/c++/glr/c++-types.yy
+++ b/examples/c++/glr/c++-types.yy
@@ -1,5 +1,5 @@
 /*                                                       -*- C++ -*-
-  Copyright (C) 2020-2021 Free Software Foundation, Inc.
+  Copyright (C) 2020-2022 Free Software Foundation, Inc.
 
   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
diff --git a/examples/c++/glr/local.mk b/examples/c++/glr/local.mk
index 137d1ab6..d5d01a1a 100644
--- a/examples/c++/glr/local.mk
+++ b/examples/c++/glr/local.mk
@@ -1,4 +1,4 @@
-## Copyright (C) 2020-2021 Free Software Foundation, Inc.
+## Copyright (C) 2020-2022 Free Software Foundation, Inc.
 ##
 ## This program is free software: you can redistribute it and/or modify
 ## it under the terms of the GNU General Public License as published by
diff --git a/examples/c++/local.mk b/examples/c++/local.mk
index db1459d5..dcaa83d7 100644
--- a/examples/c++/local.mk
+++ b/examples/c++/local.mk
@@ -1,4 +1,4 @@
-## Copyright (C) 2018-2021 Free Software Foundation, Inc.
+## Copyright (C) 2018-2022 Free Software Foundation, Inc.
 ##
 ## This program is free software: you can redistribute it and/or modify
 ## it under the terms of the GNU General Public License as published by
diff --git a/examples/c++/variant-11.test b/examples/c++/variant-11.test
index 9d9666fc..946b50c0 100644
--- a/examples/c++/variant-11.test
+++ b/examples/c++/variant-11.test
@@ -1,6 +1,6 @@
 #! /bin/sh
 
-# Copyright (C) 2018-2021 Free Software Foundation, Inc.
+# Copyright (C) 2018-2022 Free Software Foundation, Inc.
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/examples/c++/variant-11.yy b/examples/c++/variant-11.yy
index edbcff87..f73cac91 100644
--- a/examples/c++/variant-11.yy
+++ b/examples/c++/variant-11.yy
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 2008-2015, 2018-2021 Free Software Foundation, Inc.
+  Copyright (C) 2008-2015, 2018-2022 Free Software Foundation, Inc.
 
   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
diff --git a/examples/c++/variant.test b/examples/c++/variant.test
index 344313a4..122756a5 100644
--- a/examples/c++/variant.test
+++ b/examples/c++/variant.test
@@ -1,6 +1,6 @@
 #! /bin/sh
 
-# Copyright (C) 2018-2021 Free Software Foundation, Inc.
+# Copyright (C) 2018-2022 Free Software Foundation, Inc.
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/examples/c++/variant.yy b/examples/c++/variant.yy
index 8dcab484..a6cda01f 100644
--- a/examples/c++/variant.yy
+++ b/examples/c++/variant.yy
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 2008-2015, 2018-2021 Free Software Foundation, Inc.
+  Copyright (C) 2008-2015, 2018-2022 Free Software Foundation, Inc.
 
   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
diff --git a/examples/c/README.md b/examples/c/README.md
index a7561c68..7b5d6378 100644
--- a/examples/c/README.md
+++ b/examples/c/README.md
@@ -81,7 +81,7 @@ fill-column: 76
 ispell-dictionary: "american"
 End:
 
-Copyright (C) 2018-2021 Free Software Foundation, Inc.
+Copyright (C) 2018-2022 Free Software Foundation, Inc.
 
 This file is part of GNU bison, the GNU Compiler Compiler.
 
diff --git a/examples/c/bistromathic/README.md b/examples/c/bistromathic/README.md
index 8528e0bd..21dfea83 100644
--- a/examples/c/bistromathic/README.md
+++ b/examples/c/bistromathic/README.md
@@ -32,7 +32,7 @@ fill-column: 76
 ispell-dictionary: "american"
 End:
 
-Copyright (C) 2020-2021 Free Software Foundation, Inc.
+Copyright (C) 2020-2022 Free Software Foundation, Inc.
 
 This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/examples/c/bistromathic/bistromathic.test b/examples/c/bistromathic/bistromathic.test
index 2db5dcfe..b46f996a 100755
--- a/examples/c/bistromathic/bistromathic.test
+++ b/examples/c/bistromathic/bistromathic.test
@@ -1,6 +1,6 @@
 #! /bin/sh
 
-# Copyright (C) 2020-2021 Free Software Foundation, Inc.
+# Copyright (C) 2020-2022 Free Software Foundation, Inc.
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/examples/c/bistromathic/local.mk b/examples/c/bistromathic/local.mk
index c6937269..343e8eb6 100644
--- a/examples/c/bistromathic/local.mk
+++ b/examples/c/bistromathic/local.mk
@@ -1,4 +1,4 @@
-## Copyright (C) 2020-2021 Free Software Foundation, Inc.
+## Copyright (C) 2020-2022 Free Software Foundation, Inc.
 ##
 ## This program is free software: you can redistribute it and/or modify
 ## it under the terms of the GNU General Public License as published by
diff --git a/examples/c/bistromathic/parse.y b/examples/c/bistromathic/parse.y
index 5c1e6055..6b5adc9a 100644
--- a/examples/c/bistromathic/parse.y
+++ b/examples/c/bistromathic/parse.y
@@ -1,6 +1,6 @@
 /* Parser and scanner for bistromathic.   -*- C -*-
 
-   Copyright (C) 2019-2021 Free Software Foundation, Inc.
+   Copyright (C) 2019-2022 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/examples/c/calc/README.md b/examples/c/calc/README.md
index 7cb5282d..a6ee7afa 100644
--- a/examples/c/calc/README.md
+++ b/examples/c/calc/README.md
@@ -9,7 +9,7 @@ fill-column: 76
 ispell-dictionary: "american"
 End:
 
-Copyright (C) 2019-2021 Free Software Foundation, Inc.
+Copyright (C) 2019-2022 Free Software Foundation, Inc.
 
 This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/examples/c/calc/calc.test b/examples/c/calc/calc.test
index d123f189..4483103c 100644
--- a/examples/c/calc/calc.test
+++ b/examples/c/calc/calc.test
@@ -1,6 +1,6 @@
 #! /bin/sh
 
-# Copyright (C) 2019-2021 Free Software Foundation, Inc.
+# Copyright (C) 2019-2022 Free Software Foundation, Inc.
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/examples/c/calc/local.mk b/examples/c/calc/local.mk
index 17034fc5..57cb58e5 100644
--- a/examples/c/calc/local.mk
+++ b/examples/c/calc/local.mk
@@ -1,4 +1,4 @@
-## Copyright (C) 2019-2021 Free Software Foundation, Inc.
+## Copyright (C) 2019-2022 Free Software Foundation, Inc.
 ##
 ## This program is free software: you can redistribute it and/or modify
 ## it under the terms of the GNU General Public License as published by
diff --git a/examples/c/glr/README.md b/examples/c/glr/README.md
index 26067c27..ee54f84e 100644
--- a/examples/c/glr/README.md
+++ b/examples/c/glr/README.md
@@ -10,7 +10,7 @@ fill-column: 76
 ispell-dictionary: "american"
 End:
 
-Copyright (C) 2020-2021 Free Software Foundation, Inc.
+Copyright (C) 2020-2022 Free Software Foundation, Inc.
 
 This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/examples/c/glr/c++-types.test b/examples/c/glr/c++-types.test
index e63dd31e..71ce5485 100644
--- a/examples/c/glr/c++-types.test
+++ b/examples/c/glr/c++-types.test
@@ -1,6 +1,6 @@
 #! /bin/sh
 
-# Copyright (C) 2020-2021 Free Software Foundation, Inc.
+# Copyright (C) 2020-2022 Free Software Foundation, Inc.
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/examples/c/glr/c++-types.y b/examples/c/glr/c++-types.y
index ff1b62fb..07a2c700 100644
--- a/examples/c/glr/c++-types.y
+++ b/examples/c/glr/c++-types.y
@@ -1,5 +1,5 @@
 /*                                                       -*- C -*-
-  Copyright (C) 2020-2021 Free Software Foundation, Inc.
+  Copyright (C) 2020-2022 Free Software Foundation, Inc.
 
   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
diff --git a/examples/c/glr/local.mk b/examples/c/glr/local.mk
index 7b2be76b..fd5c0930 100644
--- a/examples/c/glr/local.mk
+++ b/examples/c/glr/local.mk
@@ -1,4 +1,4 @@
-## Copyright (C) 2020-2021 Free Software Foundation, Inc.
+## Copyright (C) 2020-2022 Free Software Foundation, Inc.
 ##
 ## This program is free software: you can redistribute it and/or modify
 ## it under the terms of the GNU General Public License as published by
diff --git a/examples/c/lexcalc/README.md b/examples/c/lexcalc/README.md
index 2636a21d..59e94e3e 100644
--- a/examples/c/lexcalc/README.md
+++ b/examples/c/lexcalc/README.md
@@ -11,7 +11,7 @@ fill-column: 76
 ispell-dictionary: "american"
 End:
 
-Copyright (C) 2018-2021 Free Software Foundation, Inc.
+Copyright (C) 2018-2022 Free Software Foundation, Inc.
 
 This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/examples/c/lexcalc/lexcalc.test b/examples/c/lexcalc/lexcalc.test
index 7559a21e..2fb66bae 100644
--- a/examples/c/lexcalc/lexcalc.test
+++ b/examples/c/lexcalc/lexcalc.test
@@ -1,6 +1,6 @@
 #! /bin/sh
 
-# Copyright (C) 2018-2021 Free Software Foundation, Inc.
+# Copyright (C) 2018-2022 Free Software Foundation, Inc.
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/examples/c/lexcalc/local.mk b/examples/c/lexcalc/local.mk
index f1ff5eb8..6e8d3c86 100644
--- a/examples/c/lexcalc/local.mk
+++ b/examples/c/lexcalc/local.mk
@@ -1,4 +1,4 @@
-## Copyright (C) 2018-2021 Free Software Foundation, Inc.
+## Copyright (C) 2018-2022 Free Software Foundation, Inc.
 ##
 ## This program is free software: you can redistribute it and/or modify
 ## it under the terms of the GNU General Public License as published by
diff --git a/examples/c/lexcalc/parse.y b/examples/c/lexcalc/parse.y
index ee559887..ad73f9e6 100644
--- a/examples/c/lexcalc/parse.y
+++ b/examples/c/lexcalc/parse.y
@@ -1,6 +1,6 @@
 /* Parser for lexcalc.   -*- C -*-
 
-   Copyright (C) 2018-2021 Free Software Foundation, Inc.
+   Copyright (C) 2018-2022 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/examples/c/lexcalc/scan.l b/examples/c/lexcalc/scan.l
index 983fbdaf..b6961be0 100644
--- a/examples/c/lexcalc/scan.l
+++ b/examples/c/lexcalc/scan.l
@@ -1,6 +1,6 @@
 /* Scanner for lexcalc.   -*- C -*-
 
-   Copyright (C) 2018-2021 Free Software Foundation, Inc.
+   Copyright (C) 2018-2022 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/examples/c/local.mk b/examples/c/local.mk
index 3f2029a1..45f9394f 100644
--- a/examples/c/local.mk
+++ b/examples/c/local.mk
@@ -1,4 +1,4 @@
-## Copyright (C) 2018-2021 Free Software Foundation, Inc.
+## Copyright (C) 2018-2022 Free Software Foundation, Inc.
 ##
 ## This program is free software: you can redistribute it and/or modify
 ## it under the terms of the GNU General Public License as published by
diff --git a/examples/c/mfcalc/local.mk b/examples/c/mfcalc/local.mk
index 5990dddf..8957bbc0 100644
--- a/examples/c/mfcalc/local.mk
+++ b/examples/c/mfcalc/local.mk
@@ -1,4 +1,4 @@
-## Copyright (C) 2005-2006, 2008-2015, 2018-2021 Free Software
+## Copyright (C) 2005-2006, 2008-2015, 2018-2022 Free Software
 ## Foundation, Inc.
 ##
 ## This program is free software: you can redistribute it and/or modify
diff --git a/examples/c/mfcalc/mfcalc.test b/examples/c/mfcalc/mfcalc.test
index 1dac7934..79c34d66 100755
--- a/examples/c/mfcalc/mfcalc.test
+++ b/examples/c/mfcalc/mfcalc.test
@@ -1,6 +1,6 @@
 #! /bin/sh
 
-# Copyright (C) 2005-2015, 2018-2021 Free Software Foundation, Inc.
+# Copyright (C) 2005-2015, 2018-2022 Free Software Foundation, Inc.
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/examples/c/pushcalc/README.md b/examples/c/pushcalc/README.md
index 8ec1a3a7..0d471d4d 100644
--- a/examples/c/pushcalc/README.md
+++ b/examples/c/pushcalc/README.md
@@ -20,7 +20,7 @@ fill-column: 76
 ispell-dictionary: "american"
 End:
 
-Copyright (C) 2020-2021 Free Software Foundation, Inc.
+Copyright (C) 2020-2022 Free Software Foundation, Inc.
 
 Permission is granted to copy, distribute and/or modify this document
 under the terms of the GNU Free Documentation License, Version 1.3 or
diff --git a/examples/c/pushcalc/calc.test b/examples/c/pushcalc/calc.test
index 611e9c80..c283704d 100644
--- a/examples/c/pushcalc/calc.test
+++ b/examples/c/pushcalc/calc.test
@@ -1,6 +1,6 @@
 #! /bin/sh
 
-# Copyright (C) 2020-2021 Free Software Foundation, Inc.
+# Copyright (C) 2020-2022 Free Software Foundation, Inc.
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/examples/c/pushcalc/calc.y b/examples/c/pushcalc/calc.y
index d1fd3d5a..db4a4fdd 100644
--- a/examples/c/pushcalc/calc.y
+++ b/examples/c/pushcalc/calc.y
@@ -1,6 +1,6 @@
 /* Parser and scanner for pushcalc.   -*- C -*-
 
-   Copyright (C) 2020-2021 Free Software Foundation, Inc.
+   Copyright (C) 2020-2022 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/examples/c/pushcalc/local.mk b/examples/c/pushcalc/local.mk
index 430ded15..d9bfcb3d 100644
--- a/examples/c/pushcalc/local.mk
+++ b/examples/c/pushcalc/local.mk
@@ -1,4 +1,4 @@
-## Copyright (C) 2020-2021 Free Software Foundation, Inc.
+## Copyright (C) 2020-2022 Free Software Foundation, Inc.
 ##
 ## This program is free software: you can redistribute it and/or modify
 ## it under the terms of the GNU General Public License as published by
diff --git a/examples/c/reccalc/README.md b/examples/c/reccalc/README.md
index b89911af..65f7bf84 100644
--- a/examples/c/reccalc/README.md
+++ b/examples/c/reccalc/README.md
@@ -26,7 +26,7 @@ fill-column: 76
 ispell-dictionary: "american"
 End:
 
-Copyright (C) 2018-2021 Free Software Foundation, Inc.
+Copyright (C) 2018-2022 Free Software Foundation, Inc.
 
 Permission is granted to copy, distribute and/or modify this document
 under the terms of the GNU Free Documentation License, Version 1.3 or
diff --git a/examples/c/reccalc/local.mk b/examples/c/reccalc/local.mk
index c38dcbe0..d13128e9 100644
--- a/examples/c/reccalc/local.mk
+++ b/examples/c/reccalc/local.mk
@@ -1,4 +1,4 @@
-## Copyright (C) 2019-2021 Free Software Foundation, Inc.
+## Copyright (C) 2019-2022 Free Software Foundation, Inc.
 ##
 ## This program is free software: you can redistribute it and/or modify
 ## it under the terms of the GNU General Public License as published by
diff --git a/examples/c/reccalc/parse.y b/examples/c/reccalc/parse.y
index 81d5bca0..5e401b73 100644
--- a/examples/c/reccalc/parse.y
+++ b/examples/c/reccalc/parse.y
@@ -1,6 +1,6 @@
 /* Parser for reccalc.   -*- C -*-
 
-   Copyright (C) 2019-2021 Free Software Foundation, Inc.
+   Copyright (C) 2019-2022 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/examples/c/reccalc/reccalc.test b/examples/c/reccalc/reccalc.test
index 7d283280..37255b37 100644
--- a/examples/c/reccalc/reccalc.test
+++ b/examples/c/reccalc/reccalc.test
@@ -1,6 +1,6 @@
 #! /bin/sh
 
-# Copyright (C) 2018-2021 Free Software Foundation, Inc.
+# Copyright (C) 2018-2022 Free Software Foundation, Inc.
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/examples/c/reccalc/scan.l b/examples/c/reccalc/scan.l
index a80bf504..024b0d2c 100644
--- a/examples/c/reccalc/scan.l
+++ b/examples/c/reccalc/scan.l
@@ -1,6 +1,6 @@
 /* Scanner for reccalc.   -*- C -*-
 
-   Copyright (C) 2019-2021 Free Software Foundation, Inc.
+   Copyright (C) 2019-2022 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/examples/c/rpcalc/local.mk b/examples/c/rpcalc/local.mk
index 4f3f87dc..645024df 100644
--- a/examples/c/rpcalc/local.mk
+++ b/examples/c/rpcalc/local.mk
@@ -1,4 +1,4 @@
-## Copyright (C) 2005-2006, 2008-2015, 2018-2021 Free Software
+## Copyright (C) 2005-2006, 2008-2015, 2018-2022 Free Software
 ## Foundation, Inc.
 ##
 ## This program is free software: you can redistribute it and/or modify
diff --git a/examples/c/rpcalc/rpcalc.test b/examples/c/rpcalc/rpcalc.test
index 348daf50..15195019 100755
--- a/examples/c/rpcalc/rpcalc.test
+++ b/examples/c/rpcalc/rpcalc.test
@@ -1,6 +1,6 @@
 #! /bin/sh
 
-# Copyright (C) 2005-2015, 2018-2021 Free Software Foundation, Inc.
+# Copyright (C) 2005-2015, 2018-2022 Free Software Foundation, Inc.
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/examples/d/README.md b/examples/d/README.md
index b060648e..c7aec912 100644
--- a/examples/d/README.md
+++ b/examples/d/README.md
@@ -18,7 +18,7 @@ fill-column: 76
 ispell-dictionary: "american"
 End:
 
-Copyright (C) 2018-2021 Free Software Foundation, Inc.
+Copyright (C) 2018-2022 Free Software Foundation, Inc.
 
 Permission is granted to copy, distribute and/or modify this document
 under the terms of the GNU Free Documentation License, Version 1.3 or
diff --git a/examples/d/calc/calc.test b/examples/d/calc/calc.test
index 402a722f..27f7385b 100644
--- a/examples/d/calc/calc.test
+++ b/examples/d/calc/calc.test
@@ -1,6 +1,6 @@
 #! /bin/sh
 
-# Copyright (C) 2018-2021 Free Software Foundation, Inc.
+# Copyright (C) 2018-2022 Free Software Foundation, Inc.
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/examples/d/calc/calc.y b/examples/d/calc/calc.y
index f2b0e8b2..823534fa 100644
--- a/examples/d/calc/calc.y
+++ b/examples/d/calc/calc.y
@@ -1,6 +1,6 @@
 /* Parser and scanner for calc in D.   -*- D -*-
 
-   Copyright (C) 2018-2021 Free Software Foundation, Inc.
+   Copyright (C) 2018-2022 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/examples/d/calc/local.mk b/examples/d/calc/local.mk
index 995a7dec..94a72af3 100644
--- a/examples/d/calc/local.mk
+++ b/examples/d/calc/local.mk
@@ -1,4 +1,4 @@
-## Copyright (C) 2018-2021 Free Software Foundation, Inc.
+## Copyright (C) 2018-2022 Free Software Foundation, Inc.
 ##
 ## This program is free software: you can redistribute it and/or modify
 ## it under the terms of the GNU General Public License as published by
diff --git a/examples/d/local.mk b/examples/d/local.mk
index 227c990e..cfd23dd3 100644
--- a/examples/d/local.mk
+++ b/examples/d/local.mk
@@ -1,4 +1,4 @@
-## Copyright (C) 2018-2021 Free Software Foundation, Inc.
+## Copyright (C) 2018-2022 Free Software Foundation, Inc.
 ##
 ## This program is free software: you can redistribute it and/or modify
 ## it under the terms of the GNU General Public License as published by
diff --git a/examples/d/simple/calc.test b/examples/d/simple/calc.test
index bfeddd0e..819b00f6 100644
--- a/examples/d/simple/calc.test
+++ b/examples/d/simple/calc.test
@@ -1,6 +1,6 @@
 #! /bin/sh
 
-# Copyright (C) 2018-2021 Free Software Foundation, Inc.
+# Copyright (C) 2018-2022 Free Software Foundation, Inc.
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/examples/d/simple/calc.y b/examples/d/simple/calc.y
index 09c06263..834d9a28 100644
--- a/examples/d/simple/calc.y
+++ b/examples/d/simple/calc.y
@@ -1,6 +1,6 @@
 /* Parser and scanner for calc in D.   -*- D -*-
 
-   Copyright (C) 2018-2021 Free Software Foundation, Inc.
+   Copyright (C) 2018-2022 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/examples/d/simple/local.mk b/examples/d/simple/local.mk
index 0de4d5d2..f167bbf5 100644
--- a/examples/d/simple/local.mk
+++ b/examples/d/simple/local.mk
@@ -1,4 +1,4 @@
-## Copyright (C) 2018-2021 Free Software Foundation, Inc.
+## Copyright (C) 2018-2022 Free Software Foundation, Inc.
 ##
 ## This program is free software: you can redistribute it and/or modify
 ## it under the terms of the GNU General Public License as published by
diff --git a/examples/extexi b/examples/extexi
index 5e502973..cfc6f511 100755
--- a/examples/extexi
+++ b/examples/extexi
@@ -3,7 +3,7 @@
 
 # This file is part of GNU Bison
 
-# Copyright (C) 1992, 2000-2001, 2005-2006, 2009-2015, 2018-2021 Free
+# Copyright (C) 1992, 2000-2001, 2005-2006, 2009-2015, 2018-2022 Free
 # Software Foundation, Inc.
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/examples/java/README.md b/examples/java/README.md
index 57b4a6ba..0cc5dbb9 100644
--- a/examples/java/README.md
+++ b/examples/java/README.md
@@ -19,7 +19,7 @@ fill-column: 76
 ispell-dictionary: "american"
 End:
 
-Copyright (C) 2018-2021 Free Software Foundation, Inc.
+Copyright (C) 2018-2022 Free Software Foundation, Inc.
 
 Permission is granted to copy, distribute and/or modify this document
 under the terms of the GNU Free Documentation License, Version 1.3 or
diff --git a/examples/java/calc/Calc.test b/examples/java/calc/Calc.test
index 7441a7dd..dca18c1e 100644
--- a/examples/java/calc/Calc.test
+++ b/examples/java/calc/Calc.test
@@ -1,6 +1,6 @@
 #! /bin/sh
 
-# Copyright (C) 2018-2021 Free Software Foundation, Inc.
+# Copyright (C) 2018-2022 Free Software Foundation, Inc.
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/examples/java/calc/Calc.y b/examples/java/calc/Calc.y
index 18bd0382..575b41ea 100644
--- a/examples/java/calc/Calc.y
+++ b/examples/java/calc/Calc.y
@@ -1,6 +1,6 @@
 /* Parser and scanner for calc in Java.   -*- Java -*-
 
-   Copyright (C) 2018-2021 Free Software Foundation, Inc.
+   Copyright (C) 2018-2022 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/examples/java/calc/local.mk b/examples/java/calc/local.mk
index be9d114a..c5a59c70 100644
--- a/examples/java/calc/local.mk
+++ b/examples/java/calc/local.mk
@@ -1,4 +1,4 @@
-## Copyright (C) 2018-2021 Free Software Foundation, Inc.
+## Copyright (C) 2018-2022 Free Software Foundation, Inc.
 ##
 ## This program is free software: you can redistribute it and/or modify
 ## it under the terms of the GNU General Public License as published by
diff --git a/examples/java/local.mk b/examples/java/local.mk
index 5a976b4f..594d0a57 100644
--- a/examples/java/local.mk
+++ b/examples/java/local.mk
@@ -1,4 +1,4 @@
-## Copyright (C) 2020-2021 Free Software Foundation, Inc.
+## Copyright (C) 2020-2022 Free Software Foundation, Inc.
 ##
 ## This program is free software: you can redistribute it and/or modify
 ## it under the terms of the GNU General Public License as published by
diff --git a/examples/java/simple/Calc.test b/examples/java/simple/Calc.test
index 1316ca2a..ab1f5c75 100644
--- a/examples/java/simple/Calc.test
+++ b/examples/java/simple/Calc.test
@@ -1,6 +1,6 @@
 #! /bin/sh
 
-# Copyright (C) 2018-2021 Free Software Foundation, Inc.
+# Copyright (C) 2018-2022 Free Software Foundation, Inc.
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/examples/java/simple/Calc.y b/examples/java/simple/Calc.y
index 51699edb..175028fe 100644
--- a/examples/java/simple/Calc.y
+++ b/examples/java/simple/Calc.y
@@ -1,6 +1,6 @@
 /* Simple parser and scanner in Java.   -*- Java -*-
 
-   Copyright (C) 2018-2021 Free Software Foundation, Inc.
+   Copyright (C) 2018-2022 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/examples/java/simple/local.mk b/examples/java/simple/local.mk
index 25661612..ae767a33 100644
--- a/examples/java/simple/local.mk
+++ b/examples/java/simple/local.mk
@@ -1,4 +1,4 @@
-## Copyright (C) 2018-2021 Free Software Foundation, Inc.
+## Copyright (C) 2018-2022 Free Software Foundation, Inc.
 ##
 ## This program is free software: you can redistribute it and/or modify
 ## it under the terms of the GNU General Public License as published by
diff --git a/examples/local.mk b/examples/local.mk
index b43943fc..896ec7a0 100644
--- a/examples/local.mk
+++ b/examples/local.mk
@@ -1,4 +1,4 @@
-## Copyright (C) 2005, 2008-2015, 2018-2021 Free Software Foundation,
+## Copyright (C) 2005, 2008-2015, 2018-2022 Free Software Foundation,
 ## Inc.
 ##
 ## This program is free software: you can redistribute it and/or modify
diff --git a/examples/test b/examples/test
index a5370624..45a5d454 100755
--- a/examples/test
+++ b/examples/test
@@ -1,6 +1,6 @@
 #! /bin/sh
 
-# Copyright (C) 2005-2015, 2018-2021 Free Software Foundation, Inc.
+# Copyright (C) 2005-2015, 2018-2022 Free Software Foundation, Inc.
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/lib/get-errno.c b/lib/get-errno.c
index 5be2b68b..8910ccf3 100644
--- a/lib/get-errno.c
+++ b/lib/get-errno.c
@@ -1,6 +1,6 @@
 /* get-errno.c - get and set errno.
 
-   Copyright (C) 2002, 2006, 2009-2015, 2018-2021 Free Software
+   Copyright (C) 2002, 2006, 2009-2015, 2018-2022 Free Software
    Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
diff --git a/lib/get-errno.h b/lib/get-errno.h
index 378e44e9..24570c8e 100644
--- a/lib/get-errno.h
+++ b/lib/get-errno.h
@@ -1,6 +1,6 @@
 /* get-errno.h - get and set errno.
 
-   Copyright (C) 2002, 2009-2015, 2018-2021 Free Software Foundation,
+   Copyright (C) 2002, 2009-2015, 2018-2022 Free Software Foundation,
    Inc.
 
    This program is free software: you can redistribute it and/or modify
diff --git a/lib/local.mk b/lib/local.mk
index 792a2bf4..44390169 100644
--- a/lib/local.mk
+++ b/lib/local.mk
@@ -1,4 +1,4 @@
-## Copyright (C) 2001-2015, 2018-2021 Free Software Foundation, Inc.
+## Copyright (C) 2001-2015, 2018-2022 Free Software Foundation, Inc.
 ##
 ## This program is free software: you can redistribute it and/or modify
 ## it under the terms of the GNU General Public License as published by
diff --git a/lib/main.c b/lib/main.c
index 7895ab14..04ceffff 100644
--- a/lib/main.c
+++ b/lib/main.c
@@ -1,6 +1,6 @@
 /* Yacc library main function.
 
-   Copyright (C) 2002, 2009-2015, 2018-2021 Free Software Foundation,
+   Copyright (C) 2002, 2009-2015, 2018-2022 Free Software Foundation,
    Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/lib/path-join.c b/lib/path-join.c
index 32e7f002..ffde38c3 100644
--- a/lib/path-join.c
+++ b/lib/path-join.c
@@ -1,5 +1,5 @@
 /* Concatenate path components.
-   Copyright (C) 2018-2021 Free Software Foundation, Inc.
+   Copyright (C) 2018-2022 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by the
diff --git a/lib/path-join.h b/lib/path-join.h
index 18b6190f..52225078 100644
--- a/lib/path-join.h
+++ b/lib/path-join.h
@@ -1,5 +1,5 @@
 /* Concatenate path components.
-   Copyright (C) 2018-2021 Free Software Foundation, Inc.
+   Copyright (C) 2018-2022 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by the
diff --git a/lib/timevar.def b/lib/timevar.def
index ef7be200..6606fed9 100644
--- a/lib/timevar.def
+++ b/lib/timevar.def
@@ -1,7 +1,7 @@
 /* This file contains the definitions for timing variables used to -*- C -*-
    measure run-time performance of the compiler.
 
-   Copyright (C) 2002, 2007, 2009-2015, 2018-2021 Free Software
+   Copyright (C) 2002, 2007, 2009-2015, 2018-2022 Free Software
    Foundation, Inc.
 
    Contributed by Akim Demaille <akim@freefriends.org>.
diff --git a/lib/yyerror.c b/lib/yyerror.c
index 9551868c..8b86f1c6 100644
--- a/lib/yyerror.c
+++ b/lib/yyerror.c
@@ -1,6 +1,6 @@
 /* Yacc library error-printing function.
 
-   Copyright (C) 2002, 2009-2015, 2018-2021 Free Software Foundation,
+   Copyright (C) 2002, 2009-2015, 2018-2022 Free Software Foundation,
    Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/m4/bison-check-compiler-flag.m4 b/m4/bison-check-compiler-flag.m4
index fc30a290..89853069 100644
--- a/m4/bison-check-compiler-flag.m4
+++ b/m4/bison-check-compiler-flag.m4
@@ -2,7 +2,7 @@
 
 # serial 1
 
-# Copyright (C) 2018-2021 Free Software Foundation, Inc.
+# Copyright (C) 2018-2022 Free Software Foundation, Inc.
 
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
diff --git a/m4/bison-cxx-std.m4 b/m4/bison-cxx-std.m4
index dd8a5345..cc7fea19 100644
--- a/m4/bison-cxx-std.m4
+++ b/m4/bison-cxx-std.m4
@@ -1,6 +1,6 @@
 # bison-cxx-std.m4 serial 1
 
-# Copyright (C) 2018-2021 Free Software Foundation, Inc.
+# Copyright (C) 2018-2022 Free Software Foundation, Inc.
 
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
diff --git a/m4/bison-i18n.m4 b/m4/bison-i18n.m4
index 59ab5c47..24d53991 100644
--- a/m4/bison-i18n.m4
+++ b/m4/bison-i18n.m4
@@ -1,6 +1,6 @@
 # bison-i18n.m4 serial 2
 
-dnl Copyright (C) 2005-2006, 2009-2015, 2018-2021 Free Software
+dnl Copyright (C) 2005-2006, 2009-2015, 2018-2022 Free Software
 dnl Foundation, Inc.
 
 dnl This file is free software; the Free Software Foundation
diff --git a/m4/c-working.m4 b/m4/c-working.m4
index 0fcc5120..4087ebba 100644
--- a/m4/c-working.m4
+++ b/m4/c-working.m4
@@ -1,6 +1,6 @@
 # Sanity test a C compiler.
 
-# Copyright (C) 2006, 2009-2015, 2018-2021 Free Software Foundation,
+# Copyright (C) 2006, 2009-2015, 2018-2022 Free Software Foundation,
 # Inc.
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/m4/cxx.m4 b/m4/cxx.m4
index 1172f556..cb6e9fcf 100644
--- a/m4/cxx.m4
+++ b/m4/cxx.m4
@@ -1,7 +1,7 @@
 # -*- Autoconf -*-
 # Sanity-test a C++ compiler.
 #
-# Copyright (C) 2004, 2006, 2009-2015, 2018-2021 Free Software
+# Copyright (C) 2004, 2006, 2009-2015, 2018-2022 Free Software
 # Foundation, Inc.
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/m4/flex.m4 b/m4/flex.m4
index 914989cc..c5ed43ac 100644
--- a/m4/flex.m4
+++ b/m4/flex.m4
@@ -1,5 +1,5 @@
 # flex.m4 serial 2
-# Copyright (C) 2012-2015, 2018-2021 Free Software Foundation, Inc.
+# Copyright (C) 2012-2015, 2018-2022 Free Software Foundation, Inc.
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
diff --git a/src/AnnotationList.c b/src/AnnotationList.c
index 26184f95..3604daa7 100644
--- a/src/AnnotationList.c
+++ b/src/AnnotationList.c
@@ -1,6 +1,6 @@
 /* IELR's inadequacy annotation list.
 
-   Copyright (C) 2009-2015, 2018-2021 Free Software Foundation, Inc.
+   Copyright (C) 2009-2015, 2018-2022 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/src/AnnotationList.h b/src/AnnotationList.h
index 3c43ca90..52958abc 100644
--- a/src/AnnotationList.h
+++ b/src/AnnotationList.h
@@ -1,6 +1,6 @@
 /* IELR's inadequacy annotation list.
 
-   Copyright (C) 2009-2015, 2018-2021 Free Software Foundation, Inc.
+   Copyright (C) 2009-2015, 2018-2022 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/src/InadequacyList.c b/src/InadequacyList.c
index c958f822..63093a99 100644
--- a/src/InadequacyList.c
+++ b/src/InadequacyList.c
@@ -1,6 +1,6 @@
 /* IELR's inadequacy list.
 
-   Copyright (C) 2009-2015, 2018-2021 Free Software Foundation, Inc.
+   Copyright (C) 2009-2015, 2018-2022 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/src/InadequacyList.h b/src/InadequacyList.h
index 98142d05..caa0a933 100644
--- a/src/InadequacyList.h
+++ b/src/InadequacyList.h
@@ -1,6 +1,6 @@
 /* IELR's inadequacy list.
 
-   Copyright (C) 2009-2015, 2018-2021 Free Software Foundation, Inc.
+   Copyright (C) 2009-2015, 2018-2022 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/src/Sbitset.c b/src/Sbitset.c
index aa318858..2636ad59 100644
--- a/src/Sbitset.c
+++ b/src/Sbitset.c
@@ -1,6 +1,6 @@
 /* A simple, memory-efficient bitset implementation.
 
-   Copyright (C) 2009-2015, 2018-2021 Free Software Foundation, Inc.
+   Copyright (C) 2009-2015, 2018-2022 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/src/Sbitset.h b/src/Sbitset.h
index f6bd956e..c232d85f 100644
--- a/src/Sbitset.h
+++ b/src/Sbitset.h
@@ -1,6 +1,6 @@
 /* A simple, memory-efficient bitset implementation.
 
-   Copyright (C) 2009-2015, 2018-2021 Free Software Foundation, Inc.
+   Copyright (C) 2009-2015, 2018-2022 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/src/assoc.c b/src/assoc.c
index 8b883e23..5ebf6d1c 100644
--- a/src/assoc.c
+++ b/src/assoc.c
@@ -1,6 +1,6 @@
 /* Associativity information.
 
-   Copyright (C) 2002, 2005-2006, 2008-2015, 2018-2021 Free Software
+   Copyright (C) 2002, 2005-2006, 2008-2015, 2018-2022 Free Software
    Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/assoc.h b/src/assoc.h
index 1ae9d32c..41d43caa 100644
--- a/src/assoc.h
+++ b/src/assoc.h
@@ -1,6 +1,6 @@
 /* Associativity information.
 
-   Copyright (C) 2002, 2006, 2008-2015, 2018-2021 Free Software
+   Copyright (C) 2002, 2006, 2008-2015, 2018-2022 Free Software
    Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/closure.c b/src/closure.c
index 025f9666..c138cf16 100644
--- a/src/closure.c
+++ b/src/closure.c
@@ -1,7 +1,7 @@
 /* Closures for Bison
 
    Copyright (C) 1984, 1989, 2000-2002, 2004-2005, 2007, 2009-2015,
-   2018-2021 Free Software Foundation, Inc.
+   2018-2022 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/src/closure.h b/src/closure.h
index a9281446..c29a76b4 100644
--- a/src/closure.h
+++ b/src/closure.h
@@ -1,6 +1,6 @@
 /* Subroutines for bison
 
-   Copyright (C) 1984, 1989, 2000-2002, 2007, 2009-2015, 2018-2021 Free
+   Copyright (C) 1984, 1989, 2000-2002, 2007, 2009-2015, 2018-2022 Free
    Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/complain.c b/src/complain.c
index 357233e3..964a5642 100644
--- a/src/complain.c
+++ b/src/complain.c
@@ -1,6 +1,6 @@
 /* Declaration for error-reporting function for Bison.
 
-   Copyright (C) 2000-2002, 2004-2006, 2009-2015, 2018-2021 Free
+   Copyright (C) 2000-2002, 2004-2006, 2009-2015, 2018-2022 Free
    Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
diff --git a/src/complain.h b/src/complain.h
index fe92e7a4..818427f5 100644
--- a/src/complain.h
+++ b/src/complain.h
@@ -1,6 +1,6 @@
 /* Declaration for error-reporting function for Bison.
 
-   Copyright (C) 2000-2002, 2006, 2009-2015, 2018-2021 Free Software
+   Copyright (C) 2000-2002, 2006, 2009-2015, 2018-2022 Free Software
    Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
diff --git a/src/conflicts.c b/src/conflicts.c
index 999dc9fc..3bf0937f 100644
--- a/src/conflicts.c
+++ b/src/conflicts.c
@@ -1,6 +1,6 @@
 /* Find and resolve or report lookahead conflicts for bison,
 
-   Copyright (C) 1984, 1989, 1992, 2000-2015, 2018-2021 Free Software
+   Copyright (C) 1984, 1989, 1992, 2000-2015, 2018-2022 Free Software
    Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/conflicts.h b/src/conflicts.h
index 1dff0ba2..07d74af2 100644
--- a/src/conflicts.h
+++ b/src/conflicts.h
@@ -1,6 +1,6 @@
 /* Find and resolve or report lookahead conflicts for bison,
 
-   Copyright (C) 2000-2002, 2004, 2007, 2009-2015, 2018-2021 Free
+   Copyright (C) 2000-2002, 2004, 2007, 2009-2015, 2018-2022 Free
    Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/counterexample.c b/src/counterexample.c
index ec427c1e..2195b6ef 100644
--- a/src/counterexample.c
+++ b/src/counterexample.c
@@ -1,6 +1,6 @@
 /* Conflict counterexample generation
 
-   Copyright (C) 2020-2021 Free Software Foundation, Inc.
+   Copyright (C) 2020-2022 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/src/counterexample.h b/src/counterexample.h
index 8f833f3d..53728f9b 100644
--- a/src/counterexample.h
+++ b/src/counterexample.h
@@ -1,6 +1,6 @@
 /* Conflict counterexample generation
 
-   Copyright (C) 2020-2021 Free Software Foundation, Inc.
+   Copyright (C) 2020-2022 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/src/derivation.c b/src/derivation.c
index 6094627d..f96ed4a7 100644
--- a/src/derivation.c
+++ b/src/derivation.c
@@ -1,6 +1,6 @@
 /* Counterexample derivation trees
 
-   Copyright (C) 2020-2021 Free Software Foundation, Inc.
+   Copyright (C) 2020-2022 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/src/derivation.h b/src/derivation.h
index 1af1d232..db043862 100644
--- a/src/derivation.h
+++ b/src/derivation.h
@@ -1,6 +1,6 @@
 /* Counterexample derivation trees
 
-   Copyright (C) 2020-2021 Free Software Foundation, Inc.
+   Copyright (C) 2020-2022 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/src/derives.c b/src/derives.c
index 4ea5f78b..44db4947 100644
--- a/src/derives.c
+++ b/src/derives.c
@@ -1,6 +1,6 @@
 /* Match rules with nonterminals for bison,
 
-   Copyright (C) 1984, 1989, 2000-2003, 2005, 2009-2015, 2018-2021 Free
+   Copyright (C) 1984, 1989, 2000-2003, 2005, 2009-2015, 2018-2022 Free
    Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/derives.h b/src/derives.h
index 0c28a41b..90059007 100644
--- a/src/derives.h
+++ b/src/derives.h
@@ -1,6 +1,6 @@
 /* Match rules with nonterminals for bison,
 
-   Copyright (C) 1984, 1989, 2000-2002, 2009-2015, 2018-2021 Free
+   Copyright (C) 1984, 1989, 2000-2002, 2009-2015, 2018-2022 Free
    Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/files.c b/src/files.c
index 0ef6e9c2..52fb7bc8 100644
--- a/src/files.c
+++ b/src/files.c
@@ -1,6 +1,6 @@
 /* Open and close files for Bison.
 
-   Copyright (C) 1984, 1986, 1989, 1992, 2000-2015, 2018-2021 Free
+   Copyright (C) 1984, 1986, 1989, 1992, 2000-2015, 2018-2022 Free
    Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/files.h b/src/files.h
index 38584773..c2214b0a 100644
--- a/src/files.h
+++ b/src/files.h
@@ -1,6 +1,6 @@
 /* File names and variables for bison,
 
-   Copyright (C) 1984, 1989, 2000-2002, 2006-2007, 2009-2015, 2018-2021
+   Copyright (C) 1984, 1989, 2000-2002, 2006-2007, 2009-2015, 2018-2022
    Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/fixits.c b/src/fixits.c
index 3467cdae..0605da41 100644
--- a/src/fixits.c
+++ b/src/fixits.c
@@ -1,6 +1,6 @@
 /* Support for fixing grammar files.
 
-   Copyright (C) 2019-2021 Free Software Foundation, Inc.
+   Copyright (C) 2019-2022 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/src/fixits.h b/src/fixits.h
index 46440a34..7ae29241 100644
--- a/src/fixits.h
+++ b/src/fixits.h
@@ -1,6 +1,6 @@
 /* Support for fixing grammar files.
 
-   Copyright (C) 2019-2021 Free Software Foundation, Inc.
+   Copyright (C) 2019-2022 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/flex-scanner.h b/src/flex-scanner.h
index 08c0e62c..e4cec853 100644
--- a/src/flex-scanner.h
+++ b/src/flex-scanner.h
@@ -1,6 +1,6 @@
 /* Common parts between scan-code.l, scan-gram.l, and scan-skel.l.
 
-   Copyright (C) 2006, 2009-2015, 2018-2021 Free Software Foundation,
+   Copyright (C) 2006, 2009-2015, 2018-2022 Free Software Foundation,
    Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/getargs.c b/src/getargs.c
index ef559296..ad9ded9c 100644
--- a/src/getargs.c
+++ b/src/getargs.c
@@ -1,6 +1,6 @@
 /* Parse command line arguments for Bison.
 
-   Copyright (C) 1984, 1986, 1989, 1992, 2000-2015, 2018-2021 Free
+   Copyright (C) 1984, 1986, 1989, 1992, 2000-2015, 2018-2022 Free
    Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/getargs.h b/src/getargs.h
index 836c1290..c34b9d88 100644
--- a/src/getargs.h
+++ b/src/getargs.h
@@ -1,6 +1,6 @@
 /* Parse command line arguments for bison.
 
-   Copyright (C) 1984, 1986, 1989, 1992, 2000-2015, 2018-2021 Free
+   Copyright (C) 1984, 1986, 1989, 1992, 2000-2015, 2018-2022 Free
    Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/glyphs.c b/src/glyphs.c
index d93fd8e9..cdfe6f29 100644
--- a/src/glyphs.c
+++ b/src/glyphs.c
@@ -1,6 +1,6 @@
 /* Graphical symbols.
 
-   Copyright (C) 2020-2021 Free Software Foundation, Inc.
+   Copyright (C) 2020-2022 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/src/glyphs.h b/src/glyphs.h
index dbbd32c4..9c77b889 100644
--- a/src/glyphs.h
+++ b/src/glyphs.h
@@ -1,6 +1,6 @@
 /* Graphical symbols.
 
-   Copyright (C) 2020-2021 Free Software Foundation, Inc.
+   Copyright (C) 2020-2022 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/src/gram.c b/src/gram.c
index 36b8a9d7..33474ead 100644
--- a/src/gram.c
+++ b/src/gram.c
@@ -1,6 +1,6 @@
 /* Allocate input grammar variables for Bison.
 
-   Copyright (C) 1984, 1986, 1989, 2001-2003, 2005-2015, 2018-2021 Free
+   Copyright (C) 1984, 1986, 1989, 2001-2003, 2005-2015, 2018-2022 Free
    Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/gram.h b/src/gram.h
index 6e8a98d7..06ab23db 100644
--- a/src/gram.h
+++ b/src/gram.h
@@ -1,6 +1,6 @@
 /* Data definitions for internal representation of Bison's input.
 
-   Copyright (C) 1984, 1986, 1989, 1992, 2001-2007, 2009-2015, 2018-2021
+   Copyright (C) 1984, 1986, 1989, 1992, 2001-2007, 2009-2015, 2018-2022
    Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/graphviz.c b/src/graphviz.c
index 32dcf712..c59aa221 100644
--- a/src/graphviz.c
+++ b/src/graphviz.c
@@ -1,6 +1,6 @@
 /* Output Graphviz specification of a state machine generated by Bison.
 
-   Copyright (C) 2006-2007, 2009-2015, 2018-2021 Free Software
+   Copyright (C) 2006-2007, 2009-2015, 2018-2022 Free Software
    Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/graphviz.h b/src/graphviz.h
index 51fd65dc..2ca89cbf 100644
--- a/src/graphviz.h
+++ b/src/graphviz.h
@@ -1,6 +1,6 @@
 /* Output Graphviz specification of a state machine generated by Bison.
 
-   Copyright (C) 2006, 2010-2015, 2018-2021 Free Software Foundation,
+   Copyright (C) 2006, 2010-2015, 2018-2022 Free Software Foundation,
    Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/ielr.c b/src/ielr.c
index 44c6e7a7..3c5ec695 100644
--- a/src/ielr.c
+++ b/src/ielr.c
@@ -1,6 +1,6 @@
 /* IELR main implementation.
 
-   Copyright (C) 2009-2015, 2018-2021 Free Software Foundation, Inc.
+   Copyright (C) 2009-2015, 2018-2022 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/src/ielr.h b/src/ielr.h
index e0dcf641..0fa8cb25 100644
--- a/src/ielr.h
+++ b/src/ielr.h
@@ -1,6 +1,6 @@
 /* IELR main implementation.
 
-   Copyright (C) 2009-2015, 2018-2021 Free Software Foundation, Inc.
+   Copyright (C) 2009-2015, 2018-2022 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/src/lalr.c b/src/lalr.c
index 7dda0a2b..83f0345e 100644
--- a/src/lalr.c
+++ b/src/lalr.c
@@ -1,6 +1,6 @@
 /* Compute lookahead criteria for Bison.
 
-   Copyright (C) 1984, 1986, 1989, 2000-2015, 2018-2021 Free Software
+   Copyright (C) 1984, 1986, 1989, 2000-2015, 2018-2022 Free Software
    Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/lalr.h b/src/lalr.h
index 548c382b..765e5c93 100644
--- a/src/lalr.h
+++ b/src/lalr.h
@@ -1,7 +1,7 @@
 /* Compute lookahead criteria for bison,
 
    Copyright (C) 1984, 1986, 1989, 2000, 2002, 2004, 2006-2007,
-   2009-2015, 2018-2021 Free Software Foundation, Inc.
+   2009-2015, 2018-2022 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/src/local.mk b/src/local.mk
index 6aba0afb..6051723b 100644
--- a/src/local.mk
+++ b/src/local.mk
@@ -1,4 +1,4 @@
-## Copyright (C) 2001-2015, 2018-2021 Free Software Foundation, Inc.
+## Copyright (C) 2001-2015, 2018-2022 Free Software Foundation, Inc.
 ##
 ## This program is free software: you can redistribute it and/or modify
 ## it under the terms of the GNU General Public License as published by
diff --git a/src/location.c b/src/location.c
index 5edce82c..94c77ef6 100644
--- a/src/location.c
+++ b/src/location.c
@@ -1,6 +1,6 @@
 /* Locations for Bison
 
-   Copyright (C) 2002, 2005-2015, 2018-2021 Free Software Foundation,
+   Copyright (C) 2002, 2005-2015, 2018-2022 Free Software Foundation,
    Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/location.h b/src/location.h
index 6e356b81..d63f352f 100644
--- a/src/location.h
+++ b/src/location.h
@@ -1,6 +1,6 @@
 /* Locations for Bison
 
-   Copyright (C) 2002, 2004-2015, 2018-2021 Free Software Foundation,
+   Copyright (C) 2002, 2004-2015, 2018-2022 Free Software Foundation,
    Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/lr0.c b/src/lr0.c
index be5085ea..b3938884 100644
--- a/src/lr0.c
+++ b/src/lr0.c
@@ -1,6 +1,6 @@
 /* Generate the LR(0) parser states for Bison.
 
-   Copyright (C) 1984, 1986, 1989, 2000-2002, 2004-2015, 2018-2021 Free
+   Copyright (C) 1984, 1986, 1989, 2000-2002, 2004-2015, 2018-2022 Free
    Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/lr0.h b/src/lr0.h
index d105d6c9..4c298334 100644
--- a/src/lr0.h
+++ b/src/lr0.h
@@ -1,6 +1,6 @@
 /* Generate the LR(0) parser states for Bison.
 
-   Copyright (C) 1984, 1986, 1989, 2000-2002, 2009-2015, 2018-2021 Free
+   Copyright (C) 1984, 1986, 1989, 2000-2002, 2009-2015, 2018-2022 Free
    Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/lssi.c b/src/lssi.c
index 9b607a2f..79bbba18 100644
--- a/src/lssi.c
+++ b/src/lssi.c
@@ -1,6 +1,6 @@
 /* Lookahead sensitive state item searches for counterexample generation
 
-   Copyright (C) 2020-2021 Free Software Foundation, Inc.
+   Copyright (C) 2020-2022 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/src/lssi.h b/src/lssi.h
index e7feba3c..e2cc25e8 100644
--- a/src/lssi.h
+++ b/src/lssi.h
@@ -1,6 +1,6 @@
 /* Lookahead sensitive state item searches for counterexample generation
 
-   Copyright (C) 2020-2021 Free Software Foundation, Inc.
+   Copyright (C) 2020-2022 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/src/main.c b/src/main.c
index 1185bf24..7f2519c9 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1,7 +1,7 @@
 /* Top level entry point of Bison.
 
    Copyright (C) 1984, 1986, 1989, 1992, 1995, 2000-2002, 2004-2015,
-   2018-2021 Free Software Foundation, Inc.
+   2018-2022 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/src/muscle-tab.c b/src/muscle-tab.c
index 3d3baf13..43911d3e 100644
--- a/src/muscle-tab.c
+++ b/src/muscle-tab.c
@@ -1,6 +1,6 @@
 /* Muscle table manager for Bison.
 
-   Copyright (C) 2001-2015, 2018-2021 Free Software Foundation, Inc.
+   Copyright (C) 2001-2015, 2018-2022 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/src/muscle-tab.h b/src/muscle-tab.h
index 881782e7..15254a62 100644
--- a/src/muscle-tab.h
+++ b/src/muscle-tab.h
@@ -1,6 +1,6 @@
 /* Muscle table manager for Bison,
 
-   Copyright (C) 2001-2003, 2006-2015, 2018-2021 Free Software
+   Copyright (C) 2001-2003, 2006-2015, 2018-2022 Free Software
    Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/named-ref.c b/src/named-ref.c
index 7524519d..f1b951fc 100644
--- a/src/named-ref.c
+++ b/src/named-ref.c
@@ -1,6 +1,6 @@
 /* Named symbol references for Bison
 
-   Copyright (C) 2009-2015, 2018-2021 Free Software Foundation, Inc.
+   Copyright (C) 2009-2015, 2018-2022 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/src/named-ref.h b/src/named-ref.h
index 73429baa..7d3a4ea5 100644
--- a/src/named-ref.h
+++ b/src/named-ref.h
@@ -1,6 +1,6 @@
 /* Named symbol references for Bison
 
-   Copyright (C) 2009-2015, 2018-2021 Free Software Foundation, Inc.
+   Copyright (C) 2009-2015, 2018-2022 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/src/nullable.c b/src/nullable.c
index 7f0405d7..08ebd2be 100644
--- a/src/nullable.c
+++ b/src/nullable.c
@@ -1,6 +1,6 @@
 /* Calculate which nonterminals can expand into the null string for Bison.
 
-   Copyright (C) 1984, 1989, 2000-2006, 2009-2015, 2018-2021 Free
+   Copyright (C) 1984, 1989, 2000-2006, 2009-2015, 2018-2022 Free
    Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/nullable.h b/src/nullable.h
index 38271730..759bf979 100644
--- a/src/nullable.h
+++ b/src/nullable.h
@@ -1,6 +1,6 @@
 /* Part of the bison parser generator,
 
-   Copyright (C) 2000, 2002, 2009-2015, 2018-2021 Free Software
+   Copyright (C) 2000, 2002, 2009-2015, 2018-2022 Free Software
    Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/output.c b/src/output.c
index 07234f2a..5e7ef15e 100644
--- a/src/output.c
+++ b/src/output.c
@@ -1,6 +1,6 @@
 /* Output the generated parsing program for Bison.
 
-   Copyright (C) 1984, 1986, 1989, 1992, 2000-2015, 2018-2021 Free
+   Copyright (C) 1984, 1986, 1989, 1992, 2000-2015, 2018-2022 Free
    Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/output.h b/src/output.h
index ed32fdc7..bf4f4aa5 100644
--- a/src/output.h
+++ b/src/output.h
@@ -1,6 +1,6 @@
 /* Output the generated parsing program for bison,
 
-   Copyright (C) 2000-2003, 2006-2007, 2009-2015, 2018-2021 Free
+   Copyright (C) 2000-2003, 2006-2007, 2009-2015, 2018-2022 Free
    Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/parse-gram.c b/src/parse-gram.c
index aab9ef69..400e89b7 100644
--- a/src/parse-gram.c
+++ b/src/parse-gram.c
@@ -2,8 +2,8 @@
 
 /* Bison implementation for Yacc-like parsers in C
 
-   Copyright (C) 1984, 1989-1990, 2000-2015, 2018-2021 Free Software Foundation,
-   Inc.
+   Copyright (C) 1984, 1989-1990, 2000-2015, 2018-2022 Free Software
+   Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/parse-gram.y b/src/parse-gram.y
index 15180cb5..3006f54c 100644
--- a/src/parse-gram.y
+++ b/src/parse-gram.y
@@ -1,6 +1,6 @@
 /* Bison Grammar Parser                             -*- C -*-
 
-   Copyright (C) 2002-2015, 2018-2021 Free Software Foundation, Inc.
+   Copyright (C) 2002-2015, 2018-2022 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/src/parse-simulation.c b/src/parse-simulation.c
index 57b09512..9e1f66df 100644
--- a/src/parse-simulation.c
+++ b/src/parse-simulation.c
@@ -1,6 +1,6 @@
 /* Parser simulator for unifying counterexample search
 
-   Copyright (C) 2020-2021 Free Software Foundation, Inc.
+   Copyright (C) 2020-2022 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/src/parse-simulation.h b/src/parse-simulation.h
index aa8f84e5..ac746cd6 100644
--- a/src/parse-simulation.h
+++ b/src/parse-simulation.h
@@ -1,6 +1,6 @@
 /* Parser simulator for unifying counterexample search
 
-   Copyright (C) 2020-2021 Free Software Foundation, Inc.
+   Copyright (C) 2020-2022 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/src/print-graph.c b/src/print-graph.c
index 3ddf6a54..b8e7b42c 100644
--- a/src/print-graph.c
+++ b/src/print-graph.c
@@ -1,6 +1,6 @@
 /* Output a graph of the generated parser, for Bison.
 
-   Copyright (C) 2001-2007, 2009-2015, 2018-2021 Free Software
+   Copyright (C) 2001-2007, 2009-2015, 2018-2022 Free Software
    Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/print-graph.h b/src/print-graph.h
index 6aa3420a..0a496fac 100644
--- a/src/print-graph.h
+++ b/src/print-graph.h
@@ -1,6 +1,6 @@
 /* Output a graph of the generated parser, for Bison.
 
-   Copyright (C) 2000, 2006, 2009-2015, 2018-2021 Free Software
+   Copyright (C) 2000, 2006, 2009-2015, 2018-2022 Free Software
    Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/print-xml.c b/src/print-xml.c
index 78801dbc..7db0f213 100644
--- a/src/print-xml.c
+++ b/src/print-xml.c
@@ -1,6 +1,6 @@
 /* Print an xml on generated parser, for Bison,
 
-   Copyright (C) 2007, 2009-2015, 2018-2021 Free Software Foundation,
+   Copyright (C) 2007, 2009-2015, 2018-2022 Free Software Foundation,
    Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/print-xml.h b/src/print-xml.h
index b0d73308..8bb78359 100644
--- a/src/print-xml.h
+++ b/src/print-xml.h
@@ -1,6 +1,6 @@
 /* Output an xml of the generated parser, for Bison.
 
-   Copyright (C) 2007, 2009-2015, 2018-2021 Free Software Foundation,
+   Copyright (C) 2007, 2009-2015, 2018-2022 Free Software Foundation,
    Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/print.c b/src/print.c
index 55825b36..6e75e3d9 100644
--- a/src/print.c
+++ b/src/print.c
@@ -1,6 +1,6 @@
 /* Print information on generated parser, for bison,
 
-   Copyright (C) 1984, 1986, 1989, 2000-2005, 2007, 2009-2015, 2018-2021
+   Copyright (C) 1984, 1986, 1989, 2000-2005, 2007, 2009-2015, 2018-2022
    Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/print.h b/src/print.h
index 3f20d6da..b00021b0 100644
--- a/src/print.h
+++ b/src/print.h
@@ -1,6 +1,6 @@
 /* Print information on generated parser, for bison,
 
-   Copyright (C) 2000, 2009-2015, 2018-2021 Free Software Foundation,
+   Copyright (C) 2000, 2009-2015, 2018-2022 Free Software Foundation,
    Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/reader.c b/src/reader.c
index 024606df..baa5d803 100644
--- a/src/reader.c
+++ b/src/reader.c
@@ -1,7 +1,7 @@
 /* Input parser for Bison
 
    Copyright (C) 1984, 1986, 1989, 1992, 1998, 2000-2003, 2005-2007,
-   2009-2015, 2018-2021 Free Software Foundation, Inc.
+   2009-2015, 2018-2022 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/src/reader.h b/src/reader.h
index 6b2f29a9..1e9b6dea 100644
--- a/src/reader.h
+++ b/src/reader.h
@@ -1,6 +1,6 @@
 /* Input parser for Bison
 
-   Copyright (C) 2000-2003, 2005-2007, 2009-2015, 2018-2021 Free
+   Copyright (C) 2000-2003, 2005-2007, 2009-2015, 2018-2022 Free
    Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/reduce.c b/src/reduce.c
index 112915bf..b68b2a30 100644
--- a/src/reduce.c
+++ b/src/reduce.c
@@ -1,6 +1,6 @@
 /* Grammar reduction for Bison.
 
-   Copyright (C) 1988-1989, 2000-2003, 2005-2015, 2018-2021 Free
+   Copyright (C) 1988-1989, 2000-2003, 2005-2015, 2018-2022 Free
    Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/reduce.h b/src/reduce.h
index 63d6bf13..d86a3aa6 100644
--- a/src/reduce.h
+++ b/src/reduce.h
@@ -1,6 +1,6 @@
 /* Grammar reduction for Bison.
 
-   Copyright (C) 2000-2002, 2007, 2009-2015, 2018-2021 Free Software
+   Copyright (C) 2000-2002, 2007, 2009-2015, 2018-2022 Free Software
    Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/relation.c b/src/relation.c
index 1a38c863..ae4d3c51 100644
--- a/src/relation.c
+++ b/src/relation.c
@@ -1,6 +1,6 @@
 /* Binary relations.
 
-   Copyright (C) 2002, 2004-2005, 2009-2015, 2018-2021 Free Software
+   Copyright (C) 2002, 2004-2005, 2009-2015, 2018-2022 Free Software
    Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/relation.h b/src/relation.h
index eab6b330..4e78a860 100644
--- a/src/relation.h
+++ b/src/relation.h
@@ -1,6 +1,6 @@
 /* Binary relations.
 
-   Copyright (C) 2002, 2004, 2009-2015, 2018-2021 Free Software
+   Copyright (C) 2002, 2004, 2009-2015, 2018-2022 Free Software
    Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/scan-code.h b/src/scan-code.h
index 05b2d235..2d6537ab 100644
--- a/src/scan-code.h
+++ b/src/scan-code.h
@@ -1,6 +1,6 @@
 /* Bison code properties structure and scanner.
 
-   Copyright (C) 2006-2007, 2009-2015, 2018-2021 Free Software
+   Copyright (C) 2006-2007, 2009-2015, 2018-2022 Free Software
    Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/scan-code.l b/src/scan-code.l
index e3e765c8..b6b8fa4d 100644
--- a/src/scan-code.l
+++ b/src/scan-code.l
@@ -1,6 +1,6 @@
 /* Bison Action Scanner                             -*- C -*-
 
-   Copyright (C) 2006-2015, 2018-2021 Free Software Foundation, Inc.
+   Copyright (C) 2006-2015, 2018-2022 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/src/scan-gram.h b/src/scan-gram.h
index f187f32a..6c6c74de 100644
--- a/src/scan-gram.h
+++ b/src/scan-gram.h
@@ -1,6 +1,6 @@
 /* Bison Grammar Scanner
 
-   Copyright (C) 2006-2007, 2009-2015, 2018-2021 Free Software
+   Copyright (C) 2006-2007, 2009-2015, 2018-2022 Free Software
    Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/scan-gram.l b/src/scan-gram.l
index f55429ed..3926a4aa 100644
--- a/src/scan-gram.l
+++ b/src/scan-gram.l
@@ -1,6 +1,6 @@
 /* Bison Grammar Scanner                             -*- C -*-
 
-   Copyright (C) 2002-2015, 2018-2021 Free Software Foundation, Inc.
+   Copyright (C) 2002-2015, 2018-2022 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/src/scan-skel.h b/src/scan-skel.h
index e3479070..62042865 100644
--- a/src/scan-skel.h
+++ b/src/scan-skel.h
@@ -1,6 +1,6 @@
 /* Scan Bison Skeletons.
 
-   Copyright (C) 2005-2007, 2009-2015, 2018-2021 Free Software
+   Copyright (C) 2005-2007, 2009-2015, 2018-2022 Free Software
    Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/scan-skel.l b/src/scan-skel.l
index 5a93ce03..d647c079 100644
--- a/src/scan-skel.l
+++ b/src/scan-skel.l
@@ -1,6 +1,6 @@
 /* Scan Bison Skeletons.                                       -*- C -*-
 
-   Copyright (C) 2001-2015, 2018-2021 Free Software Foundation, Inc.
+   Copyright (C) 2001-2015, 2018-2022 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/src/state-item.c b/src/state-item.c
index 47986e05..c9635c6a 100644
--- a/src/state-item.c
+++ b/src/state-item.c
@@ -1,6 +1,6 @@
 /* Counterexample Generation Search Nodes
 
-   Copyright (C) 2020-2021 Free Software Foundation, Inc.
+   Copyright (C) 2020-2022 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/src/state-item.h b/src/state-item.h
index 4aa061e4..a1f8ffde 100644
--- a/src/state-item.h
+++ b/src/state-item.h
@@ -1,6 +1,6 @@
 /* Counterexample Generation Search Nodes
 
-   Copyright (C) 2020-2021 Free Software Foundation, Inc.
+   Copyright (C) 2020-2022 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/src/state.c b/src/state.c
index 79ab43b5..9b678ec5 100644
--- a/src/state.c
+++ b/src/state.c
@@ -1,6 +1,6 @@
 /* Type definitions for the finite state machine for Bison.
 
-   Copyright (C) 2001-2007, 2009-2015, 2018-2021 Free Software
+   Copyright (C) 2001-2007, 2009-2015, 2018-2022 Free Software
    Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/state.h b/src/state.h
index 72a5e7b6..657838f0 100644
--- a/src/state.h
+++ b/src/state.h
@@ -1,6 +1,6 @@
 /* Type definitions for the finite state machine for Bison.
 
-   Copyright (C) 1984, 1989, 2000-2004, 2007, 2009-2015, 2018-2021 Free
+   Copyright (C) 1984, 1989, 2000-2004, 2007, 2009-2015, 2018-2022 Free
    Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/strversion.c b/src/strversion.c
index 4100cde7..5cc0ceec 100644
--- a/src/strversion.c
+++ b/src/strversion.c
@@ -1,6 +1,6 @@
 /* Convert version string to int.
 
-   Copyright (C) 2020-2021 Free Software Foundation, Inc.
+   Copyright (C) 2020-2022 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/src/strversion.h b/src/strversion.h
index 80b39e35..f61371e4 100644
--- a/src/strversion.h
+++ b/src/strversion.h
@@ -1,6 +1,6 @@
 /* Convert version string to int.
 
-   Copyright (C) 2020-2021 Free Software Foundation, Inc.
+   Copyright (C) 2020-2022 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
diff --git a/src/symlist.c b/src/symlist.c
index 0272469d..5485fa73 100644
--- a/src/symlist.c
+++ b/src/symlist.c
@@ -1,6 +1,6 @@
 /* Lists of symbols for Bison
 
-   Copyright (C) 2002, 2005-2007, 2009-2015, 2018-2021 Free Software
+   Copyright (C) 2002, 2005-2007, 2009-2015, 2018-2022 Free Software
    Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/symlist.h b/src/symlist.h
index 15779939..c9e29651 100644
--- a/src/symlist.h
+++ b/src/symlist.h
@@ -1,6 +1,6 @@
 /* Lists of symbols for Bison
 
-   Copyright (C) 2002, 2005-2007, 2009-2015, 2018-2021 Free Software
+   Copyright (C) 2002, 2005-2007, 2009-2015, 2018-2022 Free Software
    Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/symtab.c b/src/symtab.c
index 8aea627a..0956f54d 100644
--- a/src/symtab.c
+++ b/src/symtab.c
@@ -1,6 +1,6 @@
 /* Symbol table manager for Bison.
 
-   Copyright (C) 1984, 1989, 2000-2002, 2004-2015, 2018-2021 Free
+   Copyright (C) 1984, 1989, 2000-2002, 2004-2015, 2018-2022 Free
    Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/symtab.h b/src/symtab.h
index 11a3a6fc..1a1b2435 100644
--- a/src/symtab.h
+++ b/src/symtab.h
@@ -1,6 +1,6 @@
 /* Definitions for symtab.c and callers, part of Bison.
 
-   Copyright (C) 1984, 1989, 1992, 2000-2002, 2004-2015, 2018-2021 Free
+   Copyright (C) 1984, 1989, 1992, 2000-2002, 2004-2015, 2018-2022 Free
    Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/system.h b/src/system.h
index 630ef646..fd30926b 100644
--- a/src/system.h
+++ b/src/system.h
@@ -1,6 +1,6 @@
 /* System-dependent definitions for Bison.
 
-   Copyright (C) 2000-2007, 2009-2015, 2018-2021 Free Software
+   Copyright (C) 2000-2007, 2009-2015, 2018-2022 Free Software
    Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
diff --git a/src/tables.c b/src/tables.c
index 23a879ca..72b9d7ef 100644
--- a/src/tables.c
+++ b/src/tables.c
@@ -1,6 +1,6 @@
 /* Output the generated parsing program for Bison.
 
-   Copyright (C) 1984, 1986, 1989, 1992, 2000-2006, 2009-2015, 2018-2021
+   Copyright (C) 1984, 1986, 1989, 1992, 2000-2006, 2009-2015, 2018-2022
    Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/tables.h b/src/tables.h
index 2194a814..111d9782 100644
--- a/src/tables.h
+++ b/src/tables.h
@@ -1,6 +1,6 @@
 /* Prepare the LALR and GLR parser tables.
 
-   Copyright (C) 2002, 2004, 2009-2015, 2018-2021 Free Software
+   Copyright (C) 2002, 2004, 2009-2015, 2018-2022 Free Software
    Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/uniqstr.c b/src/uniqstr.c
index e7dbd5d3..f6c6147e 100644
--- a/src/uniqstr.c
+++ b/src/uniqstr.c
@@ -1,6 +1,6 @@
 /* Keep a unique copy of strings.
 
-   Copyright (C) 2002-2005, 2009-2015, 2018-2021 Free Software
+   Copyright (C) 2002-2005, 2009-2015, 2018-2022 Free Software
    Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/src/uniqstr.h b/src/uniqstr.h
index 0a1c506f..55b72e1b 100644
--- a/src/uniqstr.h
+++ b/src/uniqstr.h
@@ -1,6 +1,6 @@
 /* Keeping a unique copy of strings.
 
-   Copyright (C) 2002-2003, 2008-2015, 2018-2021 Free Software
+   Copyright (C) 2002-2003, 2008-2015, 2018-2022 Free Software
    Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
diff --git a/tests/actions.at b/tests/actions.at
index b7b4c030..603153e7 100644
--- a/tests/actions.at
+++ b/tests/actions.at
@@ -1,6 +1,6 @@
 # Executing Actions.                               -*- Autotest -*-
 
-# Copyright (C) 2001-2015, 2018-2021 Free Software Foundation, Inc.
+# Copyright (C) 2001-2015, 2018-2022 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/atlocal.in b/tests/atlocal.in
index eabff450..e28cbc58 100644
--- a/tests/atlocal.in
+++ b/tests/atlocal.in
@@ -1,7 +1,7 @@
 # @configure_input@                                     -*- shell-script -*-
 # Configurable variable values for Bison test suite.
 
-# Copyright (C) 2000-2015, 2018-2021 Free Software Foundation, Inc.
+# Copyright (C) 2000-2015, 2018-2022 Free Software Foundation, Inc.
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/bison.in b/tests/bison.in
index 7732edd4..79143d39 100644
--- a/tests/bison.in
+++ b/tests/bison.in
@@ -2,7 +2,7 @@
 # @configure_input@
 # Wrapper around a non installed bison to make it work as an installed one.
 
-# Copyright (C) 2001-2015, 2018-2021 Free Software Foundation, Inc.
+# Copyright (C) 2001-2015, 2018-2022 Free Software Foundation, Inc.
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/c++.at b/tests/c++.at
index a2c46c2c..77db404d 100644
--- a/tests/c++.at
+++ b/tests/c++.at
@@ -1,6 +1,6 @@
 # Checking the C++ Features.                    -*- Autotest -*-
 
-# Copyright (C) 2004-2005, 2007-2015, 2018-2021 Free Software
+# Copyright (C) 2004-2005, 2007-2015, 2018-2022 Free Software
 # Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
diff --git a/tests/calc.at b/tests/calc.at
index 5e463042..0f6c755f 100644
--- a/tests/calc.at
+++ b/tests/calc.at
@@ -1,6 +1,6 @@
 # Simple calculator.                         -*- Autotest -*-
 
-# Copyright (C) 2000-2015, 2018-2021 Free Software Foundation, Inc.
+# Copyright (C) 2000-2015, 2018-2022 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/conflicts.at b/tests/conflicts.at
index 4e5b3958..52caa208 100644
--- a/tests/conflicts.at
+++ b/tests/conflicts.at
@@ -1,6 +1,6 @@
 # Exercising Bison on conflicts.                         -*- Autotest -*-
 
-# Copyright (C) 2002-2005, 2007-2015, 2018-2021 Free Software
+# Copyright (C) 2002-2005, 2007-2015, 2018-2022 Free Software
 # Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
diff --git a/tests/counterexample.at b/tests/counterexample.at
index 88f1a47e..90d2b240 100644
--- a/tests/counterexample.at
+++ b/tests/counterexample.at
@@ -1,6 +1,6 @@
 # Exercising Bison on counterexamples.                         -*- Autotest -*-
 
-# Copyright (C) 2020-2021 Free Software Foundation, Inc.
+# Copyright (C) 2020-2022 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cxx-type.at b/tests/cxx-type.at
index fcf5e53c..4b2d8ed3 100644
--- a/tests/cxx-type.at
+++ b/tests/cxx-type.at
@@ -1,6 +1,6 @@
 # Checking GLR Parsing.                         -*- Autotest -*-
 
-# Copyright (C) 2002-2015, 2018-2021 Free Software Foundation, Inc.
+# Copyright (C) 2002-2015, 2018-2022 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/d.at b/tests/d.at
index d37effbf..6be53eef 100644
--- a/tests/d.at
+++ b/tests/d.at
@@ -1,6 +1,6 @@
 # D features tests.                      -*- Autotest -*-
 
-# Copyright (C) 2020-2021 Free Software Foundation, Inc.
+# Copyright (C) 2020-2022 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/diagnostics.at b/tests/diagnostics.at
index 7b15ff03..fd63417f 100644
--- a/tests/diagnostics.at
+++ b/tests/diagnostics.at
@@ -1,6 +1,6 @@
 # Checking diagnostics.                              -*- Autotest -*-
 
-# Copyright (C) 2019-2021 Free Software Foundation, Inc.
+# Copyright (C) 2019-2022 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/existing.at b/tests/existing.at
index 280a7547..7106af6e 100644
--- a/tests/existing.at
+++ b/tests/existing.at
@@ -1,6 +1,6 @@
 # Exercising Bison on actual grammars.                   -*- Autotest -*-
 
-# Copyright (C) 1989-1992, 2000-2005, 2007, 2009-2015, 2018-2021 Free
+# Copyright (C) 1989-1992, 2000-2005, 2007, 2009-2015, 2018-2022 Free
 # Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
diff --git a/tests/glr-regression.at b/tests/glr-regression.at
index 3a226f65..6f2a5f11 100644
--- a/tests/glr-regression.at
+++ b/tests/glr-regression.at
@@ -1,6 +1,6 @@
 # Checking GLR Parsing: Regression Tests           -*- Autotest -*-
 
-# Copyright (C) 2002-2003, 2005-2007, 2009-2015, 2018-2021 Free Software
+# Copyright (C) 2002-2003, 2005-2007, 2009-2015, 2018-2022 Free Software
 # Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
diff --git a/tests/headers.at b/tests/headers.at
index 766d33f8..14b5cdda 100644
--- a/tests/headers.at
+++ b/tests/headers.at
@@ -1,6 +1,6 @@
 # Bison Parser Headers.                               -*- Autotest -*-
 
-# Copyright (C) 2001-2002, 2006-2007, 2009-2015, 2018-2021 Free Software
+# Copyright (C) 2001-2002, 2006-2007, 2009-2015, 2018-2022 Free Software
 # Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
diff --git a/tests/input.at b/tests/input.at
index 632be1a3..f76000be 100644
--- a/tests/input.at
+++ b/tests/input.at
@@ -1,6 +1,6 @@
 # Checking the Bison reader.                    -*- Autotest -*-
 
-# Copyright (C) 2002-2015, 2018-2021 Free Software Foundation, Inc.
+# Copyright (C) 2002-2015, 2018-2022 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/java.at b/tests/java.at
index b8b4dd89..fc25cc16 100644
--- a/tests/java.at
+++ b/tests/java.at
@@ -1,6 +1,6 @@
 # Java tests for simple calculator.           -*- Autotest -*-
 
-# Copyright (C) 2007-2015, 2018-2021 Free Software Foundation, Inc.
+# Copyright (C) 2007-2015, 2018-2022 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/javapush.at b/tests/javapush.at
index 70915bca..5a154ef9 100644
--- a/tests/javapush.at
+++ b/tests/javapush.at
@@ -1,6 +1,6 @@
 # Checking Java Push Parsing.                            -*- Autotest -*-
 
-# Copyright (C) 2013-2015, 2018-2021 Free Software Foundation, Inc.
+# Copyright (C) 2013-2015, 2018-2022 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/linear b/tests/linear
index 18a4f90a..bf21f418 100755
--- a/tests/linear
+++ b/tests/linear
@@ -3,7 +3,7 @@
 # Build a grammar whose LALR(1) parser has a given number of states.
 # Useful to test edge cases (e.g., 256 and 257 states, etc.).
 
-# Copyright (C) 2020-2021 Free Software Foundation, Inc.
+# Copyright (C) 2020-2022 Free Software Foundation, Inc.
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/local.at b/tests/local.at
index 3ba67a54..c339d073 100644
--- a/tests/local.at
+++ b/tests/local.at
@@ -2,7 +2,7 @@
 
 # Macros for the GNU Bison Test suite.
 
-# Copyright (C) 2003-2015, 2018-2021 Free Software Foundation, Inc.
+# Copyright (C) 2003-2015, 2018-2022 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/local.mk b/tests/local.mk
index 3efc69d8..bc8535a1 100644
--- a/tests/local.mk
+++ b/tests/local.mk
@@ -1,6 +1,6 @@
 ## Makefile for Bison testsuite.
 
-## Copyright (C) 2000-2015, 2018-2021 Free Software Foundation, Inc.
+## Copyright (C) 2000-2015, 2018-2022 Free Software Foundation, Inc.
 ##
 ## This program is free software: you can redistribute it and/or modify
 ## it under the terms of the GNU General Public License as published by
diff --git a/tests/m4.at b/tests/m4.at
index 7a4a2af0..c8cb0097 100644
--- a/tests/m4.at
+++ b/tests/m4.at
@@ -1,6 +1,6 @@
 # Basic m4 macros.                               -*- Autotest -*-
 
-# Copyright (C) 2020-2021 Free Software Foundation, Inc.
+# Copyright (C) 2020-2022 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/named-refs.at b/tests/named-refs.at
index 07ce433f..99131b33 100644
--- a/tests/named-refs.at
+++ b/tests/named-refs.at
@@ -1,6 +1,6 @@
 # Named references test.                           -*- Autotest -*-
 
-# Copyright (C) 2009-2015, 2018-2021 Free Software Foundation, Inc.
+# Copyright (C) 2009-2015, 2018-2022 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/output.at b/tests/output.at
index e2615161..4ee4bd55 100644
--- a/tests/output.at
+++ b/tests/output.at
@@ -1,6 +1,6 @@
 # Checking the output filenames.                    -*- Autotest -*-
 
-# Copyright (C) 2000-2002, 2005-2015, 2018-2021 Free Software
+# Copyright (C) 2000-2002, 2005-2015, 2018-2022 Free Software
 # Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
diff --git a/tests/push.at b/tests/push.at
index 0cfb346e..95068c94 100644
--- a/tests/push.at
+++ b/tests/push.at
@@ -1,6 +1,6 @@
 # Checking Push Parsing.                            -*- Autotest -*-
 
-# Copyright (C) 2007, 2009-2015, 2018-2021 Free Software Foundation,
+# Copyright (C) 2007, 2009-2015, 2018-2022 Free Software Foundation,
 # Inc.
 
 # This program is free software: you can redistribute it and/or modify
diff --git a/tests/reduce.at b/tests/reduce.at
index db8ec071..072951e0 100644
--- a/tests/reduce.at
+++ b/tests/reduce.at
@@ -1,6 +1,6 @@
 # Exercising Bison Grammar Reduction.                      -*- Autotest -*-
 
-# Copyright (C) 2001-2002, 2007-2015, 2018-2021 Free Software
+# Copyright (C) 2001-2002, 2007-2015, 2018-2022 Free Software
 # Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
diff --git a/tests/regression.at b/tests/regression.at
index 1a796a92..536df360 100644
--- a/tests/regression.at
+++ b/tests/regression.at
@@ -1,6 +1,6 @@
 # Bison Regressions.                               -*- Autotest -*-
 
-# Copyright (C) 2001-2015, 2018-2021 Free Software Foundation, Inc.
+# Copyright (C) 2001-2015, 2018-2022 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/report.at b/tests/report.at
index 83c418f6..6f1ef419 100644
--- a/tests/report.at
+++ b/tests/report.at
@@ -1,6 +1,6 @@
 # Bison Reports.                               -*- Autotest -*-
 
-# Copyright (C) 2018-2021 Free Software Foundation, Inc.
+# Copyright (C) 2018-2022 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/scanner.at b/tests/scanner.at
index 44bae6e8..7046914e 100644
--- a/tests/scanner.at
+++ b/tests/scanner.at
@@ -1,6 +1,6 @@
 # Interface with the scanner.                           -*- Autotest -*-
 
-# Copyright (C) 2019-2021 Free Software Foundation, Inc.
+# Copyright (C) 2019-2022 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/sets.at b/tests/sets.at
index 2de00d57..8b9f6029 100644
--- a/tests/sets.at
+++ b/tests/sets.at
@@ -1,6 +1,6 @@
 # Exercising Bison Grammar Sets.                      -*- Autotest -*-
 
-# Copyright (C) 2001-2002, 2005, 2007, 2009-2015, 2018-2021 Free
+# Copyright (C) 2001-2002, 2005, 2007, 2009-2015, 2018-2022 Free
 # Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
diff --git a/tests/skeletons.at b/tests/skeletons.at
index 8cd87f96..e1b86514 100644
--- a/tests/skeletons.at
+++ b/tests/skeletons.at
@@ -1,6 +1,6 @@
 # Checking skeleton support.                     -*- Autotest -*-
 
-# Copyright (C) 2007, 2009-2015, 2018-2021 Free Software Foundation,
+# Copyright (C) 2007, 2009-2015, 2018-2022 Free Software Foundation,
 # Inc.
 
 # This program is free software: you can redistribute it and/or modify
diff --git a/tests/synclines.at b/tests/synclines.at
index 47afae54..e8da93a3 100644
--- a/tests/synclines.at
+++ b/tests/synclines.at
@@ -1,6 +1,6 @@
 # Executing Actions.                               -*- Autotest -*-
 
-# Copyright (C) 2002, 2004-2005, 2007, 2009-2015, 2018-2021 Free
+# Copyright (C) 2002, 2004-2005, 2007, 2009-2015, 2018-2022 Free
 # Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
diff --git a/tests/testsuite.at b/tests/testsuite.at
index 56c54c18..d9929dc0 100644
--- a/tests/testsuite.at
+++ b/tests/testsuite.at
@@ -1,6 +1,6 @@
 # Test suite for GNU Bison.                             -*- Autotest -*-
 
-# Copyright (C) 2000-2004, 2006-2007, 2009-2015, 2018-2021 Free Software
+# Copyright (C) 2000-2004, 2006-2007, 2009-2015, 2018-2022 Free Software
 # Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
diff --git a/tests/torture.at b/tests/torture.at
index 9afc0856..cb570f89 100644
--- a/tests/torture.at
+++ b/tests/torture.at
@@ -1,6 +1,6 @@
 # Torturing Bison.                                    -*- Autotest -*-
 
-# Copyright (C) 2001-2002, 2004-2007, 2009-2015, 2018-2021 Free Software
+# Copyright (C) 2001-2002, 2004-2007, 2009-2015, 2018-2022 Free Software
 # Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
diff --git a/tests/types.at b/tests/types.at
index dcdf3feb..64b3bdb3 100644
--- a/tests/types.at
+++ b/tests/types.at
@@ -1,6 +1,6 @@
 # Value type.                                     -*- Autotest -*-
 
-# Copyright (C) 2013-2015, 2018-2021 Free Software Foundation, Inc.
+# Copyright (C) 2013-2015, 2018-2022 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by