diff --git a/static/_frame.html b/static/_frame.html
index c87a1b6..a613281 100644
--- a/static/_frame.html
+++ b/static/_frame.html
@@ -6,7 +6,7 @@
 
     <body>
         <script src="//cdn.jsdelivr.net/jquery/2.1.0/jquery.min.js"></script>
-        <script src="https://rawgit.com/jdarling/Object.observe/master/Object.observe.poly.js"></script>
+        <script src="https://cdn.jsdelivr.net/gh/jdarling/Object.observe/Object.observe.poly.js"></script>
         <script src="/test-frame.js"></script>
     </body>
 </html>
diff --git a/static/index.html b/static/index.html
index 188b632..2314e3c 100644
--- a/static/index.html
+++ b/static/index.html
@@ -19,7 +19,7 @@
         <div id="shiner" style="font-size:3em"></div>
 
         <script src="//cdn.jsdelivr.net/jquery/2.1.0/jquery.min.js"></script>
-        <script src="https://rawgit.com/jdarling/Object.observe/master/Object.observe.poly.js"></script>
+        <script src="https://cdn.jsdelivr.net/gh/jdarling/Object.observe/Object.observe.poly.js"></script>
         <script src="/test.js"></script>
     </body>
 </html>
