diff --git a/_includes/head.html b/_includes/head.html
index cfa717c3..765df52b 100644
--- a/_includes/head.html
+++ b/_includes/head.html
@@ -64,5 +64,5 @@
 
   <!-- CSS -------------------------- -->
   <!-- DojoCon CSS -->
-  <link rel="stylesheet" href="/css/main.css?3ba454d" />
+  <link rel="stylesheet" href="/css/main.css?v={{ 'now' | date: '%Y%m%d-%H%M%S' }}" />
 </head>