diff --git a/site/site.tmpl b/site/site.tmpl
index 78a65669b..0b241f5b3 100644
--- a/site/site.tmpl
+++ b/site/site.tmpl
@@ -10,7 +10,7 @@
 
         <!-- get resources from CDN/jquery.com, loads fast -->
         <!-- <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.0/css/bootstrap.min.css"> -->
-        <link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/bootswatch/3.3.0/readable/bootstrap.min.css">
+        <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootswatch/3.3.0/readable/bootstrap.min.css">
         <!-- <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.0/js/bootstrap.min.js"></script> -->
         <!-- <script src="http://code.jquery.com/jquery-1.11.0.min.js"></script> -->