diff --git a/collapsibleTabs.js b/collapsibleTabs.js
index 79036ef..a569887 100644
--- a/collapsibleTabs.js
+++ b/collapsibleTabs.js
@@ -4,8 +4,8 @@
  * @class jQuery.plugin.collapsibleTabs
  */
 ( function () {
-	var isRTL = document.documentElement.dir === 'rtl',
-		boundEvent = false,
+	var boundEvent,
+		isRTL = document.documentElement.dir === 'rtl',
 		rAF = window.requestAnimationFrame || setTimeout;
 
 	/**
@@ -50,7 +50,7 @@
 		// if we haven't already bound our resize handler, bind it now
 		if ( !boundEvent ) {
 			boundEvent = true;
-			$( window ).on( 'resize', $.debounce( 100, function () {
+			$( window ).on( 'resize', mw.util.debounce( 100, function () {
 				rAF( $.collapsibleTabs.handleResize );
 			} ) );
 		}
diff --git a/skin.json b/skin.json
index 026c6d4..8e2d10c 100644
--- a/skin.json
+++ b/skin.json
@@ -63,7 +63,7 @@
 				"vector.js"
 			],
 			"dependencies": [
-				"jquery.throttle-debounce",
+				"mediawiki.util",
 				"jquery.tabIndex"
 			]
 		}