diff --git a/.prev-version b/.prev-version
index d5c0c991..87ce4929 100644
--- a/.prev-version
+++ b/.prev-version
@@ -1 +1 @@
-3.5.1
+3.5.2
diff --git a/NEWS b/NEWS
index f2a5b060..d5eaa258 100644
--- a/NEWS
+++ b/NEWS
@@ -1,5 +1,8 @@
 GNU Bison NEWS
 
+* Noteworthy changes in release ?.? (????-??-??) [?]
+
+
 * Noteworthy changes in release 3.5.2 (2020-02-13) [stable]
 
 ** Bug fixes