diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index 81104c8f4d08cf9f1d2a42ffe4623727edb3fac3..09ec8d9408e3c65cc1596c3cbe0147b4ae75cc7e 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -1,5 +1,8 @@
 // $Id$
 
+Drupal 5.22, xxxx-xx-xx
+-----------------------
+
 Drupal 5.21, 2009-12-16
 -----------------------
 - Fixed a security issue (Cross site scripting), see SA-CORE-2009-009.
diff --git a/modules/system/system.module b/modules/system/system.module
index 0c14ef7316f2ca7e05f78a381ca0bb5aefa9bb81..ee0dbfbc6d3dc87ba95ec5e7d6baa18e1d635da6 100644
--- a/modules/system/system.module
+++ b/modules/system/system.module
@@ -6,7 +6,7 @@
  * Configuration system that lets administrators modify the workings of the site.
  */
 
-define('VERSION', '5.21');
+define('VERSION', '5.22-dev');
 
 /**
  * Implementation of hook_help().