diff --git a/index.html b/index.html
index fa08eb38..38ace1b8 100644
--- a/index.html
+++ b/index.html
@@ -7,6 +7,7 @@
   <link href="https://fonts.googleapis.com/css?family=Roboto" rel="stylesheet">
 
   <link rel="stylesheet" href="main.css">
+  <script src="//code.jquery.com/jquery-1.11.2.min.js"></script>
 </head>
 <body>
 
