diff --git a/Casks/firefox-aurora.rb b/Casks/firefox-aurora.rb
index 91c9a54c2..d4df2f800 100644
--- a/Casks/firefox-aurora.rb
+++ b/Casks/firefox-aurora.rb
@@ -1,7 +1,7 @@
 class FirefoxAurora < Cask
-  url 'https://ftp.mozilla.org/pub/mozilla.org/firefox/nightly/latest-mozilla-aurora/firefox-28.0a2.en-US.mac.dmg'
-  homepage 'http://www.mozilla.org/en-US/firefox/aurora/'
-  version '28.0a2'
+  url 'https://ftp.mozilla.org/pub/mozilla.org/firefox/nightly/latest-mozilla-aurora/firefox-29.0a2.en-US.mac.dmg'
+  homepage 'https://www.mozilla.org/en-US/firefox/aurora/'
+  version '29.0a2'
   no_checksum
   link 'FirefoxAurora.app'
 end