diff --git a/html/index.html b/html/index.html
index 67208263..fc78cce8 100644
--- a/html/index.html
+++ b/html/index.html
@@ -43,7 +43,7 @@
     <script src="//cdnjs.cloudflare.com/ajax/libs/es5-shim/2.3.0/es5-shim.min.js"></script>
     <script src="//cdnjs.cloudflare.com/ajax/libs/json2/20130526/json2.min.js"></script>
   <![endif]-->
-  <script src="//cdnjs.cloudflare.com/ajax/libs/mithril/0.1.19/mithril.min.js"></script>
+  <script src="//cdnjs.cloudflare.com/ajax/libs/mithril/0.1.20/mithril.min.js"></script>
   <script src="//cdnjs.cloudflare.com/ajax/libs/moment.js/2.7.0/moment.min.js"></script>
   <script src="//cdnjs.cloudflare.com/ajax/libs/lodash.js/2.4.1/lodash.min.js"></script>
   <script src="//ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>