diff --git a/_includes/browser-upgrade.html b/_includes/browser-upgrade.html
index e8d8b262..ec6ad0ac 100644
--- a/_includes/browser-upgrade.html
+++ b/_includes/browser-upgrade.html
@@ -1,3 +1,3 @@
 <!--[if lt IE 9]>
-<div class="notice--danger align-center" style="margin: 0;">You are using an <strong>outdated</strong> browser. Please <a href="http://browsehappy.com/">upgrade your browser</a> to improve your experience.</div>
-<![endif]-->
\ No newline at end of file
+<div class="notice--danger align-center" style="margin: 0;">You are using an <strong>outdated</strong> browser. Please <a href="https://browsehappy.com/">upgrade your browser</a> to improve your experience.</div>
+<![endif]-->