diff --git a/Casks/firefox-beta-de.rb b/Casks/firefox-beta-de.rb
index 3af553921..ee71e5468 100644
--- a/Casks/firefox-beta-de.rb
+++ b/Casks/firefox-beta-de.rb
@@ -1,6 +1,6 @@
 cask :v1 => 'firefox-beta-de' do
-  version '42.0b8'
-  sha256 'e870a3ce8b9f938d9c59fa349bff7afb719c1d60732abf55749c97cb474090fb'
+  version '42.0b9'
+  sha256 '2465a89e18fedb31c0678caa3e5111989e75bd45754d95c8192bdc9d6e19ef19'
 
   url "https://download.mozilla.org/?product=firefox-#{version}-SSL&os=osx&lang=de"
   name 'Firefox'