diff --git a/index.html b/index.html
index 7d7268e..e3b13b4 100644
--- a/index.html
+++ b/index.html
@@ -28,7 +28,7 @@
   <div id="root"></div>
   <script src="//fb.me/react-with-addons-0.14.7.js"></script>
   <script src="//fb.me/react-dom-0.14.7.js"></script>
-  <script src="//npmcdn.com/babel-transform-in-browser@6.4.6/dist/btib.min.js"></script>
+  <script src="//unpkg.com/babel-transform-in-browser@6.4.6/dist/btib.min.js"></script>
   <script src="dist/react-image-diff.js"></script>
   <script type="text/es2015">
     var imageSets = {