diff --git a/templates/index.html b/templates/index.html
index d173ab032..57f7c2464 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -22,7 +22,7 @@
 
   <script src="//cdnjs.cloudflare.com/ajax/libs/moment.js/2.2.1/moment.min.js"></script>
 
-  <script src="//cdnjs.cloudflare.com/ajax/libs/d3/3.3.10/d3.min.js"></script>
+  <script src="//cdnjs.cloudflare.com/ajax/libs/d3/3.3.3/d3.min.js"></script>
   <script src="static/lib/nv.d3.min.js"></script>
 
   <script src="static/lib/ZeroClipboard.min.js"></script>