diff --git a/Casks/firefox-nightly.rb b/Casks/firefox-nightly.rb
index e214b4f6b..cdfb215b0 100644
--- a/Casks/firefox-nightly.rb
+++ b/Casks/firefox-nightly.rb
@@ -1,7 +1,7 @@
 class FirefoxNightly < Cask
-  url 'http://ftp.mozilla.org/pub/mozilla.org/firefox/nightly/latest-trunk/firefox-28.0a1.en-US.mac.dmg'
-  homepage 'http://nightly.mozilla.org'
-  version '28.0-alpha1'
+  url 'https://ftp.mozilla.org/pub/mozilla.org/firefox/nightly/latest-trunk/firefox-29.0a1.en-US.mac.dmg'
+  homepage 'http://nightly.mozilla.org/'
+  version '29.0a1'
   no_checksum
   link 'FirefoxNightly.app'
 end