diff --git a/Casks/google-notifier.rb b/Casks/google-notifier.rb
index 84b3c85c25b..7d3fcc54e8c 100644
--- a/Casks/google-notifier.rb
+++ b/Casks/google-notifier.rb
@@ -1,5 +1,5 @@
 class GoogleNotifier < Cask
-  url 'http://dl.google.com/mac/download/GoogleNotifier_1.10.7.dmg'
+  url 'https://dl.google.com/mac/download/GoogleNotifier_1.10.7.dmg'
   homepage 'http://toolbar.google.com/gmail-helper/notifier_mac.html'
   version '1.10.7'
   sha256 '055775cb02773e4ec0e133111c7720134d32bb8d3a1f747231dc0c7d4078f5f7'