diff --git a/ChatService/public/index.html b/ChatService/public/index.html
index a14a942a9615139e8592f8046cf9b6257f568f53..ae7d8ab98e961ef40c70124c44cae8e3b78f33eb 100644
--- a/ChatService/public/index.html
+++ b/ChatService/public/index.html
@@ -13,6 +13,7 @@
   <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">  
   <link rel="stylesheet" href="style/chatstyle.css">
   <script src="//cdn.bootcss.com/angular.js/1.4.3/angular.min.js"></script>
+  <script src="https://code.jquery.com/jquery-3.2.1.slim.min.js"></script>
   <link rel="manifest" href="/manifest.json">
 </head>
 <body style="width: 510px; height: 500px; margin: 0 auto;">