diff --git a/configure.ac b/configure.ac
index 0a889959..b1a39015 100644
--- a/configure.ac
+++ b/configure.ac
@@ -20,7 +20,7 @@
 # We need a recent Autoconf to run a recent Autotest.
 AC_PREREQ(2.54)
 
-AC_INIT([GNU Bison], [1.75e], [bug-bison@gnu.org])
+AC_INIT([GNU Bison], [1.75f], [bug-bison@gnu.org])
 AC_CONFIG_AUX_DIR(config)
 
 AM_INIT_AUTOMAKE([1.7 check-news readme-alpha dist-bzip2])