diff --git a/index.htm b/index.htm
index 3e612dd..b5763f1 100644
--- a/index.htm
+++ b/index.htm
@@ -9,7 +9,7 @@
 <link rel="stylesheet" href="styles.css">
 <link rel="stylesheet" href="display.css">
 
-<script src="polyfill/polyfill.min.js?update=2015-05-31"></script>
+<script src="polyfill/polyfill.min.js"></script>
 <script src="polyfill/keyboard.js"></script>
 
 <!-- CodeMirror syntax highlighting - this is optional -->