diff --git a/wp-content/themes/twentythirteen/functions.php b/wp-content/themes/twentythirteen/functions.php
index dc0a266c9b..5474d07d3a 100644
--- a/wp-content/themes/twentythirteen/functions.php
+++ b/wp-content/themes/twentythirteen/functions.php
@@ -170,7 +170,7 @@ function twentythirteen_scripts_styles() {
 		wp_enqueue_script( 'jquery-masonry' );
 
 	// Loads JavaScript file with functionality specific to Twenty Thirteen.
-	wp_enqueue_script( 'twentythirteen-script', get_template_directory_uri() . '/js/functions.js', array( 'jquery' ), '2014-03-18', true );
+	wp_enqueue_script( 'twentythirteen-script', get_template_directory_uri() . '/js/functions.js', array( 'jquery' ), '2014-06-08', true );
 
 	// Add Source Sans Pro and Bitter fonts, used in the main stylesheet.
 	wp_enqueue_style( 'twentythirteen-fonts', twentythirteen_fonts_url(), array(), null );
diff --git a/wp-content/themes/twentythirteen/js/functions.js b/wp-content/themes/twentythirteen/js/functions.js
index 78c8c848c8..526c15d6b3 100644
--- a/wp-content/themes/twentythirteen/js/functions.js
+++ b/wp-content/themes/twentythirteen/js/functions.js
@@ -50,6 +50,19 @@
 			nav.toggleClass( 'toggled-on' );
 		} );
 
+		// Fix sub-menus for touch devices.
+		if ( 'ontouchstart' in window ) {
+			menu.find( '.menu-item-has-children > a' ).on( 'touchstart.twentythirteen', function( e ) {
+				var el = $( this ).parent( 'li' );
+
+				if ( ! el.hasClass( 'focus' ) ) {
+					e.preventDefault();
+					el.toggleClass( 'focus' );
+					el.siblings( '.focus' ).removeClass( 'focus' );
+				}
+			} );
+		}
+
 		// Better focus for hidden submenu items for accessibility.
 		menu.find( 'a' ).on( 'focus.twentythirteen blur.twentythirteen', function() {
 			$( this ).parents( '.menu-item, .page_item' ).toggleClass( 'focus' );
diff --git a/wp-content/themes/twentythirteen/style.css b/wp-content/themes/twentythirteen/style.css
index c573b66b49..0ea9d8cc19 100644
--- a/wp-content/themes/twentythirteen/style.css
+++ b/wp-content/themes/twentythirteen/style.css
@@ -2895,8 +2895,8 @@ footer.entry-meta {
 		color: #141412;
 	}
 
-	.toggled-on .nav-menu li a:hover,
-	.toggled-on .nav-menu ul a:hover {
+	.toggled-on .nav-menu > li a:hover,
+	.toggled-on .nav-menu > ul a:hover {
 		background-color: #db572f;
 		color: #fff;
 	}