diff --git a/Casks/firefox-de.rb b/Casks/firefox-de.rb
index 53f88e06c..0596ea004 100644
--- a/Casks/firefox-de.rb
+++ b/Casks/firefox-de.rb
@@ -1,6 +1,6 @@
 cask 'firefox-de' do
-  version '44.0.2'
-  sha256 'f425682a42492599634bb2a3556b42f9060481cc068e0a2e9f97e4f9d2cadb1c'
+  version '45.0'
+  sha256 '46e2fa470b447d64a46f9739f645382a0e6af1a77b5f0f9c8b0c46c22fc93f59'
 
   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 7149af3fe..3f978321b 100644
--- a/Casks/firefox-fr.rb
+++ b/Casks/firefox-fr.rb
@@ -1,6 +1,6 @@
 cask 'firefox-fr' do
-  version '44.0.2'
-  sha256 '880d80bde9c359605d9fba6c7d19c43cf741e3f36ae9c1e425a59b813df9aa99'
+  version '45.0'
+  sha256 '1558ab9c654db520178b272cf52365cb9eeaf20eb4ec86cf627274a2a8e63feb'
 
   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 ff75c69a2..ab13bd0b3 100644
--- a/Casks/firefox-gl.rb
+++ b/Casks/firefox-gl.rb
@@ -1,6 +1,6 @@
 cask 'firefox-gl' do
-  version '44.0.2'
-  sha256 '1cface6dd63711d892a80d0f36ca623e69eaeab67247a08f9db6e84ba78953fa'
+  version '45.0'
+  sha256 'd12a1977d62482d3601cf37cf5983bff39cbe9203ea4542b6be7f35de1561c36'
 
   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 f95c5ca6e..897f7c38b 100644
--- a/Casks/firefox-it.rb
+++ b/Casks/firefox-it.rb
@@ -1,6 +1,6 @@
 cask 'firefox-it' do
-  version '44.0.2'
-  sha256 'dbb6b8a44537c51de0618f449a3f7ce990cf7cdb5d2efab5e92d20aa30f3448c'
+  version '45.0'
+  sha256 '7db2a3327d1789683330f5fcfc69c81f51c89587038548aceb18676b2277e297'
 
   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 b37ad6a68..0a48bdc6c 100644
--- a/Casks/firefox-ja.rb
+++ b/Casks/firefox-ja.rb
@@ -1,6 +1,6 @@
 cask 'firefox-ja' do
-  version '44.0.2'
-  sha256 '780bf7a35b954b409116387d5ee7673a1ca56200381adbbdb1b5373e29dc75a2'
+  version '45.0'
+  sha256 'b79a89101b7fabfe8adb89307c49af5353613e21b9fed05120c344c08b773e09'
 
   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 2db70dfd6..a6553452d 100644
--- a/Casks/firefox-nl.rb
+++ b/Casks/firefox-nl.rb
@@ -1,6 +1,6 @@
 cask 'firefox-nl' do
-  version '44.0.2'
-  sha256 '83f16dd13db54342ebf8191905aa13fed3875f5dd8002bfbd5346b4f86e7f8c7'
+  version '45.0'
+  sha256 '645ef6732e276509f41ba6acbc5f929cdbfde2d4567a96c1d88251e195692233'
 
   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 ef4dcd9a9..d592c300f 100644
--- a/Casks/firefox-pl.rb
+++ b/Casks/firefox-pl.rb
@@ -1,6 +1,6 @@
 cask 'firefox-pl' do
-  version '44.0.2'
-  sha256 '2a189ecc405dbf4f79f58fa6652ff1c24d54865624621f162889232160757b66'
+  version '45.0'
+  sha256 '9d02944b4bd5a5f588b78b7b9bb39005eee959c55ca9005b698eebcd3c881b1b'
 
   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 cc1d7b298..5c64ebf2f 100644
--- a/Casks/firefox-pt-br.rb
+++ b/Casks/firefox-pt-br.rb
@@ -1,6 +1,6 @@
 cask 'firefox-pt-br' do
-  version '44.0.2'
-  sha256 'b266c1ee281a7a04fe2546098291ce3a0822a5d6f956d1eb801c9b77ff5bfe5c'
+  version '45.0'
+  sha256 '41cfff89a75d277d976041cfef2ce8d43455d3af60ec26b9de050c6f00245e08'
 
   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 902849535..570938839 100644
--- a/Casks/firefox-ru.rb
+++ b/Casks/firefox-ru.rb
@@ -1,6 +1,6 @@
 cask 'firefox-ru' do
-  version '44.0.2'
-  sha256 'ee1d55904f04aaa0ac41d12e0d5e65ece8bfcd1dab4b1b79804098cc8e8920e0'
+  version '45.0'
+  sha256 '6969cedfc01ce792076c5b16f294a280e29752098ead17b5986564eb8e0c2768'
 
   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 f28d5a9c8..525ba7f1b 100644
--- a/Casks/firefox-uk.rb
+++ b/Casks/firefox-uk.rb
@@ -1,6 +1,6 @@
 cask 'firefox-uk' do
-  version '44.0.2'
-  sha256 'd74a9596a173b9cbbc183dc7237c2952685c8b83eb4828cf86d036094d8f5183'
+  version '45.0'
+  sha256 'd4292abfb05681ff2987eaf03e97010ab1c485a759c90674105866f5dea56d04'
 
   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 e56e7b3e2..37ffe4c86 100644
--- a/Casks/firefox-zh-cn.rb
+++ b/Casks/firefox-zh-cn.rb
@@ -1,6 +1,6 @@
 cask 'firefox-zh-cn' do
-  version '44.0.2'
-  sha256 'd873ab13172db2645e25bc751e84fc6de35d6a6f2ef4b484037895e52562b3c5'
+  version '45.0'
+  sha256 'fd4729c9ba09bbefe902707559968c48f51426601116740b17908d4e92f4c854'
 
   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 f3acd8299..1bda5cc8a 100644
--- a/Casks/firefox-zh-tw.rb
+++ b/Casks/firefox-zh-tw.rb
@@ -1,6 +1,6 @@
 cask 'firefox-zh-tw' do
-  version '44.0.2'
-  sha256 '8addeec412e1e2ff340c345ba2266e74bfc52b32da879cf2d1b1a3ed414aed9a'
+  version '45.0'
+  sha256 '6711fd89e37efcf724e10d531c15ab0e3ae1cbebdd2b4061c15d136c291a9cde'
 
   url "https://download.mozilla.org/?product=firefox-#{version}-SSL&os=osx&lang=zh-TW"
   name 'Mozilla Firefox'