diff --git a/Casks/firefox-aurora.rb b/Casks/firefox-aurora.rb
index 4d10ee47e..eee7a3262 100644
--- a/Casks/firefox-aurora.rb
+++ b/Casks/firefox-aurora.rb
@@ -2,6 +2,6 @@ class FirefoxAurora < Cask
   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 '23.0a2'
-  sha1 '20b8d306ff5e15fedd3650a11411365943e53710'
+  sha1 'e363dbb9cf6d3f476414f6d8be3723f27c38de7a'
   link 'FirefoxAurora.app'
 end