diff --git a/Casks/firefox-beta.rb b/Casks/firefox-beta.rb
index 000c9abb3..d2e5242fa 100644
--- a/Casks/firefox-beta.rb
+++ b/Casks/firefox-beta.rb
@@ -1,6 +1,6 @@
 cask :v1 => 'firefox-beta' do
-  version '43.0b1'
-  sha256 'd5fee45304a685743ca3be0d72fc5efc69856a98abcb16cfad01ac8e06b1a483'
+  version '43.0b2'
+  sha256 '82a27437b1a4f71aac1d73621544d3328159289bece325390c09f85f96b1f016'
 
   url "https://download.mozilla.org/?product=firefox-#{version}-SSL&os=osx&lang=en-US"
   name 'Firefox'