diff --git a/_includes/head.html b/_includes/head.html
index 715e065..8842a6a 100644
--- a/_includes/head.html
+++ b/_includes/head.html
@@ -5,12 +5,12 @@
         <title>Gergely Polonkai{% if page.title %}: {{page.title}}{% endif %}</title>
 
         <link rel="icon" type="image/x-icon" href="{{'/favicon.ico' | prepend: site.baseurl}}">
-        <link href="//fonts.googleapis.com/css?family=Open+Sans:400,300,300italic,400italic,600,600italic,700,700italic,800,800italic" rel="stylesheet" type="text/css">
+        <link href="https://fonts.googleapis.com/css?family=Open+Sans:400,300,300italic,400italic,600,600italic,700,700italic,800,800italic" rel="stylesheet" type="text/css">
         <link rel="alternate" type="application/rss+xml" title="Gergely Polonkai's Blog - RSS Feed" href="{{site.url}}/blog/atom.xml">
-        <link rel="stylesheet" type="text/css" href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css">
+        <link rel="stylesheet" type="text/css" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css">
         <link rel="stylesheet" href="{{'/css/style.css' | prepend: site.baseurl}}">
         <link href="https://cdnjs.cloudflare.com/ajax/libs/jquery.terminal/1.6.3/css/jquery.terminal.min.css" rel="stylesheet"/>
 
         <script type="text/javascript" src="//code.jquery.com/jquery-2.1.3.min.js"></script>
-        <script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.4/js/bootstrap.min.js"></script>
+        <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/js/bootstrap.min.js"></script>
         <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery.terminal/1.6.3/js/jquery.terminal.min.js"></script>