diff --git a/docs/_includes/header.html b/docs/_includes/header.html
index 54bfddf690..37e27cd07d 100644
--- a/docs/_includes/header.html
+++ b/docs/_includes/header.html
@@ -33,7 +33,7 @@
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   m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
-  })(window,document,'script','//www.google-analytics.com/analytics.js','ga');
+  })(window,document,'script','https://www.google-analytics.com/analytics.js','ga');
   ga('create', 'UA-146052-10', 'getbootstrap.com');
   ga('send', 'pageview');
 </script>