diff --git a/wp-includes/script-loader.php b/wp-includes/script-loader.php
index 8b80785301..2d92b8c823 100644
--- a/wp-includes/script-loader.php
+++ b/wp-includes/script-loader.php
@@ -397,7 +397,7 @@ function wp_default_scripts( &$scripts ) {
 		) );
 
 		// Custom Navigation
-		$scripts->add( 'nav-menu', "/wp-admin/js/nav-menu$suffix.js", false, '20100315' );
+		$scripts->add( 'nav-menu', "/wp-admin/js/nav-menu$suffix.js", false, '20100317' );
 		$scripts->localize( 'nav-menu', 'navMenuL10n', array(
 			'custom' => _x('Custom', 'menu nav item type'),
 			'page' => _x('Page', 'menu nav item type'),