diff --git a/guestbook/php-redis/index.html b/guestbook/php-redis/index.html
index 4ffb4ed2ab587..edf7efafaf62d 100644
--- a/guestbook/php-redis/index.html
+++ b/guestbook/php-redis/index.html
@@ -4,7 +4,7 @@
     <link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css">
     <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.12/angular.min.js"></script>
     <script src="controllers.js"></script>
-    <script src="https://cdnjs.cloudflare.com/ajax/libs/angular-ui-bootstrap/0.13.0/ui-bootstrap-tpls.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/angular-ui-bootstrap/2.5.6/ui-bootstrap-tpls.js"></script>
   </head>
   <body ng-controller="RedisCtrl">
     <div style="width: 50%; margin-left: 20px">
