diff --git a/authorization_code/public/index.html b/authorization_code/public/index.html
index 9c57f1c8..83a51338 100644
--- a/authorization_code/public/index.html
+++ b/authorization_code/public/index.html
@@ -2,7 +2,7 @@
 <html>
   <head>
     <title>Example of the Authorization Code flow with Spotify</title>
-    <link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css">
+    <link rel="stylesheet" href="https://netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css">
     <style type="text/css">
       #login, #loggedin {
         display: none;
@@ -59,7 +59,7 @@ <h2>oAuth info</h2>
       </dl>
     </script>
 
-    <script src="//cdnjs.cloudflare.com/ajax/libs/handlebars.js/2.0.0-alpha.1/handlebars.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/handlebars.js/2.0.0-alpha.1/handlebars.min.js"></script>
     <script src="http://code.jquery.com/jquery-1.10.1.min.js"></script>
     <script>
       (function() {
