diff --git a/templates/base.html b/templates/base.html
index 76a7610..d4ea10a 100644
--- a/templates/base.html
+++ b/templates/base.html
@@ -3,7 +3,7 @@
 
 <head>
   <link rel="stylesheet/less" type="text/css" href="{{ SITEURL }}/theme/css/style.less">
-  <script src="{{ SITEURL }}/theme/js/less-1.3.3.min.js" type="text/javascript"></script>
+  <script src="{{ SITEURL }}/theme/js/less-1.5.0.min.js" type="text/javascript"></script>
   <!-- <link rel="stylesheet" type="text/css" href="{{ SITEURL }}/theme/css/style.css"> -->
 
   <link rel="stylesheet" type="text/css" href="{{ SITEURL }}/theme/css/pygments.css">