diff --git a/extension.json b/extension.json
index c42f896f..58edb998 100644
--- a/extension.json
+++ b/extension.json
@@ -35,7 +35,7 @@
 		"ext.inputBox": {
 			"scripts": "ext.inputBox.js",
 			"dependencies": [
-				"jquery.throttle-debounce"
+				"mediawiki.util"
 			],
 			"targets": [
 				"mobile",
diff --git a/resources/ext.inputBox.js b/resources/ext.inputBox.js
index b052758c..5bb720ad 100644
--- a/resources/ext.inputBox.js
+++ b/resources/ext.inputBox.js
@@ -24,6 +24,6 @@
 			onChange.call( $input.get( i ) );
 		}
 
-		$input.on( 'keyup input change', $.debounce( 50, onChange ) );
+		$input.on( 'keyup input change', mw.util.debounce( 50, onChange ) );
 	} );
 }( jQuery, mediaWiki ) );