diff --git a/lisp/gnus/ChangeLog b/lisp/gnus/ChangeLog
index 013f5392e02..b683a1563b6 100644
--- a/lisp/gnus/ChangeLog
+++ b/lisp/gnus/ChangeLog
@@ -1,3 +1,7 @@
+2011-04-23  Glenn Morris  <rgm@gnu.org>
+
+	* gnus-sum.el (gnus-extra-headers): Bump :version.
+
 2011-04-22  Teodor Zlatanov  <tzz@lifelogs.com>
 
 	* gnus-registry.el (gnus-registry-ignore-group-p): Test specifically
diff --git a/lisp/gnus/gnus-sum.el b/lisp/gnus/gnus-sum.el
index b6a3860a81f..807f133e481 100644
--- a/lisp/gnus/gnus-sum.el
+++ b/lisp/gnus/gnus-sum.el
@@ -1130,7 +1130,7 @@ which it may alter in any way."
 
 (defcustom gnus-extra-headers '(To Cc Keywords Gcc Newsgroups)
   "*Extra headers to parse."
-  :version "21.1"
+  :version "24.1"                       ; added Cc Keywords Gcc
   :group 'gnus-summary
   :type '(repeat symbol))