diff --git a/jqueryui/jqueryui-1.9.d.ts b/jqueryui/jqueryui-1.9.d.ts
index 4ce2cc2d9..869bf7b99 100644
--- a/jqueryui/jqueryui-1.9.d.ts
+++ b/jqueryui/jqueryui-1.9.d.ts
@@ -933,6 +933,7 @@ interface JQuery {
     enableSelection(): JQuery;
     disableSelection(): JQuery;
     focus(delay: number, callback?: Function): JQuery;
+    uniqueId(): JQuery;
     removeUniqueId(): JQuery;
     scrollParent(): JQuery;
     zIndex(): JQuery;