diff --git a/Casks/firefox-beta-cn.rb b/Casks/firefox-beta-cn.rb
index 26c628fa4..7acf9866a 100644
--- a/Casks/firefox-beta-cn.rb
+++ b/Casks/firefox-beta-cn.rb
@@ -1,6 +1,6 @@
 cask :v1 => 'firefox-beta-cn' do
-  version '36.0b1'
-  sha256 '26fc7da08b829a62c00d15110d1e5478527facab7cf88f0b140eea3cdc828404'
+  version '36.0b3'
+  sha256 'a188706dd04965cf1e03cf41fb3f0b85ecd89ee1df0ba353edb8a5bac1aac148'
 
   url "https://download.mozilla.org/?product=firefox-#{version}&os=osx&lang=zh-CN"
   homepage 'https://www.mozilla.org/zh-CN/firefox/beta/'
diff --git a/Casks/firefox-beta-de.rb b/Casks/firefox-beta-de.rb
index f1741c33d..18a9d2e14 100644
--- a/Casks/firefox-beta-de.rb
+++ b/Casks/firefox-beta-de.rb
@@ -1,6 +1,6 @@
 cask :v1 => 'firefox-beta-de' do
-  version '36.0b1'
-  sha256 'bca3bfed105d7749d4ecb88072897bb6947bbc69dbcca75e14186733077ce2e6'
+  version '36.0b3'
+  sha256 '9e993864298af8684351576f9af5e7a93edf1d8d7fb234cdec9ba11d7fcc1f1c'
 
   url "https://download.mozilla.org/?product=firefox-#{version}&os=osx&lang=de"
   homepage 'https://www.mozilla.org/de/firefox/beta/'
diff --git a/Casks/firefox-beta-gb.rb b/Casks/firefox-beta-gb.rb
index e890fd526..368c0c367 100644
--- a/Casks/firefox-beta-gb.rb
+++ b/Casks/firefox-beta-gb.rb
@@ -1,6 +1,6 @@
 cask :v1 => 'firefox-beta-gb' do
-  version '36.0b1'
-  sha256 '8ef105c26f697895901a58b6a212b5390648704e9b1a4b0108473cdc12da7da0'
+  version '36.0b3'
+  sha256 '65c03ec7294bcf1365c09a138ee4338b22f2d99965a359f5d4edd19dcba9a33c'
 
   url "https://download.mozilla.org/?product=firefox-#{version}-SSL&os=osx&lang=en-GB"
   homepage 'https://www.mozilla.org/en-GB/firefox/beta/'
diff --git a/Casks/firefox-beta-ja.rb b/Casks/firefox-beta-ja.rb
index 9cb715c6f..753636b0c 100644
--- a/Casks/firefox-beta-ja.rb
+++ b/Casks/firefox-beta-ja.rb
@@ -1,6 +1,6 @@
 cask :v1 => 'firefox-beta-ja' do
-  version '36.0b1'
-  sha256 '8e818c1e34274fbaf3f8747bb1ba09aa5bd7d8783a609defad386b13f68ea45e'
+  version '36.0b3'
+  sha256 '3c7a17ffad3eac9e30f1c6fcd0e216cf2b55f63f0a6d9d598a56cb6cbd018e90'
 
   url "https://download.mozilla.org/?product=firefox-#{version}&os=osx&lang=ja-JP-mac"
   homepage 'http://www.mozilla.org/ja/firefox/channel/beta'