diff --git a/demos/blockfactory/index.html b/demos/blockfactory/index.html
index adecaeebc..b5c244a20 100644
--- a/demos/blockfactory/index.html
+++ b/demos/blockfactory/index.html
@@ -31,7 +31,7 @@
   <script src="/storage.js"></script>
   <link rel="stylesheet" href="factory.css">
   <link rel="stylesheet" href="cp.css">
-  <script src="https://cdn.rawgit.com/google/code-prettify/master/loader/run_prettify.js"></script>
+  <script src="https://cdn.jsdelivr.net/gh/google/code-prettify@master/loader/run_prettify.js"></script>
   <script>
     var blocklyFactory;
     var init = function() {
diff --git a/demos/blockfactory_old/index.html b/demos/blockfactory_old/index.html
index 7cc448f81..34b930dc5 100644
--- a/demos/blockfactory_old/index.html
+++ b/demos/blockfactory_old/index.html
@@ -88,7 +88,7 @@
       display: none;
     }
   </style>
-  <script src="https://cdn.rawgit.com/google/code-prettify/master/loader/run_prettify.js"></script>
+  <script src="https://cdn.jsdelivr.net/gh/google/code-prettify@master/loader/run_prettify.js"></script>
 </head>
 <body>
   <table>
diff --git a/demos/code/code.js b/demos/code/code.js
index fc9e8304d..e976903ee 100644
--- a/demos/code/code.js
+++ b/demos/code/code.js
@@ -201,7 +201,7 @@ Code.bindClick = function(el, func) {
  */
 Code.importPrettify = function() {
   var script = document.createElement('script');
-  script.setAttribute('src', 'https://cdn.rawgit.com/google/code-prettify/master/loader/run_prettify.js');
+  script.setAttribute('src', 'https://cdn.jsdelivr.net/gh/google/code-prettify@master/loader/run_prettify.js');
   document.head.appendChild(script);
 };
 
