diff --git a/frontend/index.html b/frontend/index.html
index 424c4ca..9c3d21b 100644
--- a/frontend/index.html
+++ b/frontend/index.html
@@ -8,8 +8,8 @@
     <title>{{ login.Title }}</title>
 
     <!-- Bootstrap -->
-    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/css/bootstrap.min.css"
-          integrity="sha256-916EbMg70RQy9LHiGkXzG8hSg9EdNy97GazNG/aiY1w=" crossorigin="anonymous" />
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@3.4.1/dist/css/bootstrap.min.css"
+          integrity="sha256-bZLfwXAP04zRMK2BjiO8iu9pf4FbLqX6zitd+tIvLhE=" crossorigin="anonymous">
 
     <style>
       html, body, .container, .row { height: 100%; }
@@ -20,15 +20,6 @@
       .nav-tabs>li.active>a, .nav-tabs>li>a:hover { color: #333; }
       .tab-pane { padding-top: 10px; color: white; }
     </style>
-
-    <!-- HTML5 shim and Respond.js for IE8 support of HTML5 elements and media queries -->
-    <!-- WARNING: Respond.js doesn't work if you view the page via file:// -->
-    <!--[if lt IE 9]>
-      <script src="https://cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.3/html5shiv.min.js"
-              integrity="sha256-3Jy/GbSLrg0o9y5Z5n1uw0qxZECH7C6OQpVBgNFYa0g=" crossorigin="anonymous"></script>
-      <script src="https://cdnjs.cloudflare.com/ajax/libs/respond.js/1.4.2/respond.min.js"
-              integrity="sha256-g6iAfvZp+nDQ2TdTR/VVKJf3bGro4ub5fvWSWVRi2NE=" crossorigin="anonymous"></script>
-    <![endif]-->
   </head>
   <body>
     <div class="container">
@@ -89,11 +80,11 @@
     </div> <!-- /.container -->
 
     <!-- jQuery (necessary for Bootstrap's JavaScript plugins) -->
-    <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/1.12.4/jquery.min.js"
-            integrity="sha256-ZosEbRLbNQzLpnKIkEdrPv7lOy9C27hHQ+Xp8a4MxAQ=" crossorigin="anonymous"></script>
+    <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.0/dist/jquery.min.js"
+            integrity="sha256-BJeo0qm959uMBGb65z40ejJYGSgR7REI4+CW1fNKwOg=" crossorigin="anonymous"></script>
     <!-- Include all compiled plugins (below), or include individual files as needed -->
-    <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js"
-            integrity="sha256-U5ZEeKfGNOja007MMD3YBI0A3OSZOQbeG6z2f2Y0hu8=" crossorigin="anonymous"></script>
+    <script src="https://cdn.jsdelivr.net/npm/bootstrap@3.4.1/dist/js/bootstrap.min.js"
+            integrity="sha256-nuL8/2cJ5NDSSwnKD8VqreErSWHtnEP9E7AySL+1ev4=" crossorigin="anonymous"></script>
 
     <script>
       $('a[data-toggle="tab"]').on('shown.bs.tab', function (e) {
