diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 00e102729c0..6562e57ee7c 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,7 @@
+2008-01-29  Alan Mackenzie  <acm@muc.de>
+
+	* progmodes/cc-defs.el (c-version): increase to 5.31.5.
+
 2008-01-29  Tassilo Horn  <tassilo@member.fsf.org>
 
 	* doc-view.el (doc-view-mode): Adapt to i-m-current-[vh]scroll