diff --git a/Casks/firefox-de.rb b/Casks/firefox-de.rb
index b71886ae8..1bf63b14a 100644
--- a/Casks/firefox-de.rb
+++ b/Casks/firefox-de.rb
@@ -1,6 +1,6 @@
 cask 'firefox-de' do
-  version '43.0.4'
-  sha256 '36a8da91c3cb072f88feee34c7507833f98df29f14f45eeb2d666b3bedde480e'
+  version '44.0'
+  sha256 '5411a72b7fc5187db8db808d06e1f7271f6fb2a1b5c43911547a625fa20a1d1c'
 
   url "https://download.mozilla.org/?product=firefox-#{version}-SSL&os=osx&lang=de"
   name 'Mozilla Firefox'
diff --git a/Casks/firefox-fr.rb b/Casks/firefox-fr.rb
index a5630d2ce..05eac250b 100644
--- a/Casks/firefox-fr.rb
+++ b/Casks/firefox-fr.rb
@@ -1,6 +1,6 @@
 cask 'firefox-fr' do
-  version '43.0.4'
-  sha256 '3f56b67ce36887d92736590d40090b3c3b06a0d14f2f2bfd4b9e00744325a7c1'
+  version '44.0'
+  sha256 '3292b12bdec6a28a45188572a8ec13e34b6d524802e86310cb795aaf3c6ccea4'
 
   url "https://download.mozilla.org/?product=firefox-#{version}-SSL&os=osx&lang=fr"
   name 'Mozilla Firefox'
diff --git a/Casks/firefox-gl.rb b/Casks/firefox-gl.rb
index 3a42d27c0..2abcd1d94 100644
--- a/Casks/firefox-gl.rb
+++ b/Casks/firefox-gl.rb
@@ -1,6 +1,6 @@
 cask 'firefox-gl' do
-  version '43.0.4'
-  sha256 'e6ac34afe73eb84f088b6b84289acabb747c8c4ce58063bb04df0742049e2468'
+  version '44.0'
+  sha256 '6f2caca0a3829c39d59389d357dd3ae471cc9ee2b7d8d34ac29023c84249dd4e'
 
   url "https://download.mozilla.org/?product=firefox-#{version}-SSL&os=osx&lang=gl"
   name 'Mozilla Firefox'
diff --git a/Casks/firefox-it.rb b/Casks/firefox-it.rb
index 9f7bd3111..c25837b0d 100644
--- a/Casks/firefox-it.rb
+++ b/Casks/firefox-it.rb
@@ -1,6 +1,6 @@
 cask 'firefox-it' do
-  version '43.0.4'
-  sha256 '436bbb87f69d063f4d67deb777ef8b4e918dff4da978ae98070ad78d0da4c639'
+  version '44.0'
+  sha256 '1fd0f51e246c0cb6d3774fc2741662adf45bae791d1ee8f33d2e9f0c6fb715d9'
 
   url "https://download.mozilla.org/?product=firefox-#{version}-SSL&os=osx&lang=it"
   name 'Mozilla Firefox'
diff --git a/Casks/firefox-ja.rb b/Casks/firefox-ja.rb
index d5470902b..19325a8fe 100644
--- a/Casks/firefox-ja.rb
+++ b/Casks/firefox-ja.rb
@@ -1,6 +1,6 @@
 cask 'firefox-ja' do
-  version '43.0.4'
-  sha256 '6b25217f060702943e8b7b3677ca723f31dde2f8d21d8c1dcf236bf55d580dbd'
+  version '44.0'
+  sha256 '2e55aade133496eebed84cf94f8568f86a82f1a6a37e6825c1943a07915bad0b'
 
   url "https://download.mozilla.org/?product=firefox-#{version}-SSL&os=osx&lang=ja-JP-mac"
   name 'Mozilla Firefox'
diff --git a/Casks/firefox-nl.rb b/Casks/firefox-nl.rb
index 3a94cba0a..8922456de 100644
--- a/Casks/firefox-nl.rb
+++ b/Casks/firefox-nl.rb
@@ -1,6 +1,6 @@
 cask 'firefox-nl' do
-  version '43.0.4'
-  sha256 'a62b187e171f43d907732d65e748638775af5bca25dc0e0cac5bbfdd579dd36a'
+  version '44.0'
+  sha256 '1ac2f89073e6024dfcd19e66108c92da9866a366037972baafc3f13a4e8c6df7'
 
   url "https://download.mozilla.org/?product=firefox-#{version}-SSL&os=osx&lang=nl"
   name 'Mozilla Firefox'
diff --git a/Casks/firefox-pl.rb b/Casks/firefox-pl.rb
index 715192c5a..ffc359cdc 100644
--- a/Casks/firefox-pl.rb
+++ b/Casks/firefox-pl.rb
@@ -1,6 +1,6 @@
 cask 'firefox-pl' do
-  version '43.0.4'
-  sha256 '264d8fd4b061d5a9f5a185c4b849ce57f8b5888889c7646bd1299746d932a2c7'
+  version '44.0'
+  sha256 '402567b9bc1ebcc38a847a7106beb85b865432def40aca60a68c76a1dd7bd15a'
 
   url "https://download.mozilla.org/?product=firefox-#{version}-SSL&os=osx&lang=pl"
   name 'Mozilla Firefox'
diff --git a/Casks/firefox-pt-br.rb b/Casks/firefox-pt-br.rb
index b8d474cec..664befb17 100644
--- a/Casks/firefox-pt-br.rb
+++ b/Casks/firefox-pt-br.rb
@@ -1,6 +1,6 @@
 cask 'firefox-pt-br' do
-  version '43.0.4'
-  sha256 '8bf9ec3e3dc1611f6ce1850d115eb26f7c0e08813865f770b160b07cb7b99f7c'
+  version '44.0'
+  sha256 'ac051632a72358323f66d20ed009d17918c3ae0bd3594fb3cecc569801b71d57'
 
   url "https://download.mozilla.org/?product=firefox-#{version}-SSL&os=osx&lang=pt-BR"
   name 'Mozilla Firefox'
diff --git a/Casks/firefox-ru.rb b/Casks/firefox-ru.rb
index 60a59ef29..80f6004bd 100644
--- a/Casks/firefox-ru.rb
+++ b/Casks/firefox-ru.rb
@@ -1,6 +1,6 @@
 cask 'firefox-ru' do
-  version '43.0.4'
-  sha256 'daeb590bbcdfeb95f1ec0087b6a1796280054da5a9077b3cc49df4750539a35a'
+  version '44.0'
+  sha256 '817c5eeea453cad9979d32b3918f6ff2a87c7509a21b83f83bd90f12d846c26d'
 
   url "https://download.mozilla.org/?product=firefox-#{version}-SSL&os=osx&lang=ru"
   name 'Mozilla Firefox'
diff --git a/Casks/firefox-uk.rb b/Casks/firefox-uk.rb
index 6c1c92f46..528ea58f9 100644
--- a/Casks/firefox-uk.rb
+++ b/Casks/firefox-uk.rb
@@ -1,6 +1,6 @@
 cask 'firefox-uk' do
-  version '43.0.4'
-  sha256 'c2fb1e961126fe96010e60c7fc2402759e3400b5a76f3f65a8c07b47213c904d'
+  version '44.0'
+  sha256 'aeca2c756199a45322c075879addef3f31ae2bed278780e3cab8b93d8847a611'
 
   url "https://download.mozilla.org/?product=firefox-#{version}-SSL&os=osx&lang=uk"
   name 'Mozilla Firefox'
diff --git a/Casks/firefox-zh-cn.rb b/Casks/firefox-zh-cn.rb
index 71448dbe6..a8b7e3f8d 100644
--- a/Casks/firefox-zh-cn.rb
+++ b/Casks/firefox-zh-cn.rb
@@ -1,6 +1,6 @@
 cask 'firefox-zh-cn' do
-  version '43.0.4'
-  sha256 '1c1ed50ab8cafd58c0960ae88e633f772babda81bbe2534e33e76d0ab8d5647f'
+  version '44.0'
+  sha256 '70ca164334b9f1f245354384d31cb0bcc9311701812b625e7e7055c8f67fe383'
 
   url "https://download.mozilla.org/?product=firefox-#{version}-SSL&os=osx&lang=zh-CN"
   name 'Mozilla Firefox'
diff --git a/Casks/firefox-zh-tw.rb b/Casks/firefox-zh-tw.rb
index 2648c7fb9..5dc4f3bbb 100644
--- a/Casks/firefox-zh-tw.rb
+++ b/Casks/firefox-zh-tw.rb
@@ -1,6 +1,6 @@
 cask 'firefox-zh-tw' do
-  version '43.0.4'
-  sha256 '2edcd6aaa03ae767d47a238e0ed43a61f830a0824471267071545e6199a80f40'
+  version '44.0'
+  sha256 '2ac346c3fb8bc25b24fb64a0c71ae4667f3cb36e6839354ac09e2dce18ab8678'
 
   url "https://download.mozilla.org/?product=firefox-#{version}-SSL&os=osx&lang=zh-TW"
   name 'Mozilla Firefox'