diff --git a/Casks/firefox-aurora.rb b/Casks/firefox-aurora.rb
index 2a4f9ba73..b5d95d361 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-22.0a2.en-US.mac.dmg'
+  url 'https://ftp.mozilla.org/pub/mozilla.org/firefox/nightly/latest-mozilla-aurora/firefox-23.0a2.en-US.mac.dmg'
   homepage 'http://www.mozilla.org/en-US/firefox/aurora/'
-  version '22.0a2'
-  sha1 'fe195c907bb4393d7c4861f07a64f55bf3ec7a41'
-  link :app, 'FirefoxAurora.app'
+  version '23.0a2'
+  sha1 '65a4cecdb986765978fc8a1506248beb9c151494'
+  link 'FirefoxAurora.app'
 end