diff --git a/.prev-version b/.prev-version
index 5a958026..d5c0c991 100644
--- a/.prev-version
+++ b/.prev-version
@@ -1 +1 @@
-3.5
+3.5.1
diff --git a/NEWS b/NEWS
index f00948b3..e769199d 100644
--- a/NEWS
+++ b/NEWS
@@ -1,5 +1,8 @@
 GNU Bison NEWS
 
+* Noteworthy changes in release ?.? (????-??-??) [?]
+
+
 * Noteworthy changes in release 3.5.1 (2020-01-19) [stable]
 
 ** Bug fixes