diff --git a/wp-includes/version.php b/wp-includes/version.php
index df11068ebe..df377fbfc9 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -2,7 +2,7 @@
 
 // This holds the version number in a separate file so we can bump it without cluttering the SVN
 
-$wp_version = '2.2';
+$wp_version = '2.2.1-beta';
 $wp_db_version = 5183;
 
 ?>