diff --git a/templates/main.html b/templates/main.html
index d270f20066..7078ed64d3 100644
--- a/templates/main.html
+++ b/templates/main.html
@@ -4,7 +4,7 @@
   <%block name="title"><title>MITx 6.002x</title></%block>
 
   <link rel="stylesheet" href="${ settings.LIB_URL }jquery.treeview.css" type="text/css" media="all" />
-  <link rel="stylesheet" href="/static/css/application.css?v2" type="text/css" media="all" />
+  <link rel="stylesheet" href="/static/css/application.css?v3" type="text/css" media="all" />
 
   <script type="text/javascript" src="${ settings.LIB_URL }jquery-1.6.2.min.js"></script>
   <script type="text/javascript" src="${ settings.LIB_URL }jquery-ui-1.8.16.custom.min.js"></script>