Index: wp-admin/includes/update-core.php
===================================================================
--- wp-admin/includes/update-core.php	(revision 19849)
+++ wp-admin/includes/update-core.php	(working copy)
@@ -349,7 +349,8 @@
 $_new_bundled_files = array(
 'plugins/akismet/' => '2.0',
 'themes/twentyten/' => '3.0',
-'themes/twentyeleven/' => '3.2'
+'themes/twentyeleven/' => '3.2',
+'themes/twentytwelve/' => '3.4'
 );
 
 /**