diff --git a/wp-includes/script-loader.php b/wp-includes/script-loader.php
index 2549bf13b9..7965ac8901 100644
--- a/wp-includes/script-loader.php
+++ b/wp-includes/script-loader.php
@@ -238,7 +238,7 @@ function wp_default_scripts( &$scripts ) {
 		$scripts->add( 'admin-categories', "/wp-admin/js/categories$suffix.js", array('wp-lists'), '20091201' );
 		$scripts->add_data( 'admin-categories', 'group', 1 );
 
-		$scripts->add( 'admin-tags', "/wp-admin/js/tags$suffix.js", array('jquery'), '20090623' );
+		$scripts->add( 'admin-tags', "/wp-admin/js/tags$suffix.js", array('jquery', 'wp-ajax-response'), '20100213' );
 		$scripts->add_data( 'admin-tags', 'group', 1 );
 		$scripts->localize( 'admin-tags', 'tagsl10n', array(
 			'noPerm' => __('You do not have permission to do that.'),