diff --git a/index.html b/index.html
index c5e3f32..23694d6 100644
--- a/index.html
+++ b/index.html
@@ -1,7 +1,7 @@
 <!doctype html>
 <meta charset="utf-8">
 <title>jetzt - a Speed Reader Extension for Chrome</title>
-<link rel="stylesheet" href="http://fonts.googleapis.com/css?family=Ubuntu:300,500">
+<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Ubuntu:300,500">
 <link rel="icon" href="favicon.ico">
 <style>
 html {
