diff --git a/Casks/firefox-beta.rb b/Casks/firefox-beta.rb
index 73f5f55e5..72c73fad2 100644
--- a/Casks/firefox-beta.rb
+++ b/Casks/firefox-beta.rb
@@ -1,6 +1,6 @@
 cask :v1 => 'firefox-beta' do
-  version '41.0b7'
-  sha256 'cba63a008d8ad12ca27a7ee5b80773145b3eba4d4c0d038435b307f8adf2e987'
+  version '41.0b8'
+  sha256 '3a1387cdadd2e01e017d80dd12c6d3315b1b61a639acae4991fd0af7ccd5f216'
 
   url "https://download.mozilla.org/?product=firefox-#{version}-SSL&os=osx&lang=en-US"
   name 'Firefox'