diff --git a/src/index.html b/src/index.html
index 4705d9f..48e5cef 100755
--- a/src/index.html
+++ b/src/index.html
@@ -40,7 +40,7 @@
       <p>Ported to ES6 by <a href="https://twitter.com/kentcdodds">Kent C. Dodds</a></p>
       <p>Part of <a href="http://todomvc.com">TodoMVC</a></p>
     </footer>
-    <script src="https://cdn.polyfill.io/v2/polyfill.min.js?features=default,Promise"></script>
+    <script src="https://cdn.polyfill.io/v2/polyfill.min.js"></script>
     <script src="/bundle.js"></script>
   </body>
 </html>