diff --git a/Casks/firefox-beta-uk.rb b/Casks/firefox-beta-uk.rb
new file mode 100644
index 000000000..c5a76b309
--- /dev/null
+++ b/Casks/firefox-beta-uk.rb
@@ -0,0 +1,10 @@
+cask :v1 => 'firefox-beta-uk' do
+  version '36.0b5'
+  sha256 'a6a6eb7def1f23542e9babecc4dd99632939aaaa2573a331080f942a452574fe'
+
+  url "https://download.mozilla.org/?product=firefox-#{version}-SSL&os=osx&lang=uk"
+  homepage 'https://www.mozilla.org/uk/firefox/channel/#beta'
+  license :mpl
+
+  app 'Firefox.app'
+end
diff --git a/Casks/firefox-beta.rb b/Casks/firefox-beta.rb
index a0f4f992b..d6a837da4 100644
--- a/Casks/firefox-beta.rb
+++ b/Casks/firefox-beta.rb
@@ -3,7 +3,7 @@ cask :v1 => 'firefox-beta' do
   sha256 'c555ce7cab4f555d4b7436e4c8cdc4ee1552d17a1918c1ef500b2235a476686f'
 
   url "https://download.mozilla.org/?product=firefox-#{version}&os=osx&lang=en-US"
-  homepage 'https://www.mozilla.org/en-US/firefox/beta/'
+  homepage 'https://www.mozilla.org/en-US/firefox/channel/#beta'
   license :mpl
 
   app 'Firefox.app'
diff --git a/Casks/firefox-cn.rb b/Casks/firefox-cn.rb
index e46fd4e65..87abe85b2 100644
--- a/Casks/firefox-cn.rb
+++ b/Casks/firefox-cn.rb
@@ -3,8 +3,15 @@ cask :v1 => 'firefox-cn' do
   sha256 :no_check
 
   url 'https://download.mozilla.org/?product=firefox-latest&os=osx&lang=zh-CN'
-  homepage 'https://www.mozilla.org/zh-CN/firefox/'
-  license :oss
+  name 'Firefox'
+  homepage 'https://www.mozilla.org/zh-CN/firefox/desktop/'
+  license :mpl
+  tags :vendor => 'Mozilla'
 
   app 'Firefox.app'
+
+  zap :delete => [
+                  '~/Library/Application Support/Firefox',
+                  '~/Library/Caches/Firefox',
+                 ]
 end
diff --git a/Casks/firefox-de.rb b/Casks/firefox-de.rb
index c8d4b708b..101f091fc 100644
--- a/Casks/firefox-de.rb
+++ b/Casks/firefox-de.rb
@@ -3,8 +3,15 @@ cask :v1 => 'firefox-de' do
   sha256 :no_check
 
   url 'https://download.mozilla.org/?product=firefox-latest&os=osx&lang=de'
-  homepage 'https://www.mozilla.org/de/firefox/'
-  license :oss
+  name 'Firefox'
+  homepage 'https://www.mozilla.org/de/firefox/desktop'
+  license :mpl
+  tags :vendor => 'Mozilla'
 
   app 'Firefox.app'
+
+  zap :delete => [
+                  '~/Library/Application Support/Firefox',
+                  '~/Library/Caches/Firefox',
+                 ]
 end
diff --git a/Casks/firefox-fr.rb b/Casks/firefox-fr.rb
index d4e378f63..8ef1699c0 100644
--- a/Casks/firefox-fr.rb
+++ b/Casks/firefox-fr.rb
@@ -3,8 +3,15 @@ cask :v1 => 'firefox-fr' do
   sha256 :no_check
 
   url 'https://download.mozilla.org/?product=firefox-latest&os=osx&lang=fr'
-  homepage 'http://www.mozilla.org/fr/firefox/new/'
-  license :oss
+  name 'Firefox'
+  homepage 'https://www.mozilla.org/fr/firefox/new'
+  license :mpl
+  tags :vendor => 'Mozilla'
 
   app 'Firefox.app'
+
+  zap :delete => [
+                  '~/Library/Application Support/Firefox',
+                  '~/Library/Caches/Firefox',
+                 ]
 end
diff --git a/Casks/firefox-it.rb b/Casks/firefox-it.rb
index d7be3a33a..5ad3e0f2a 100644
--- a/Casks/firefox-it.rb
+++ b/Casks/firefox-it.rb
@@ -3,8 +3,15 @@ cask :v1 => 'firefox-it' do
   sha256 :no_check
 
   url 'https://download.mozilla.org/?product=firefox-latest&os=osx&lang=it'
-  homepage 'http://www.mozilla.org/it/firefox/new/'
-  license :oss
+  name 'Firefox'
+  homepage 'https://www.mozilla.org/it/firefox/desktop'
+  license :mpl
+  tags :vendor => 'Mozilla'
 
   app 'Firefox.app'
+
+  zap :delete => [
+                  '~/Library/Application Support/Firefox',
+                  '~/Library/Caches/Firefox',
+                 ]
 end
diff --git a/Casks/firefox-ja.rb b/Casks/firefox-ja.rb
index f957dcec2..a801dca25 100644
--- a/Casks/firefox-ja.rb
+++ b/Casks/firefox-ja.rb
@@ -3,8 +3,15 @@ cask :v1 => 'firefox-ja' do
   sha256 :no_check
 
   url 'https://download.mozilla.org/?product=firefox-latest&os=osx&lang=ja-JP-mac'
+  name 'Firefox'
   homepage 'http://www.mozilla.jp/firefox/'
-  license :oss
+  license :mpl
+  tags :vendor => 'Mozilla'
 
   app 'Firefox.app'
+
+  zap :delete => [
+                  '~/Library/Application Support/Firefox',
+                  '~/Library/Caches/Firefox',
+                 ]
 end
diff --git a/Casks/firefox-ru.rb b/Casks/firefox-ru.rb
new file mode 100644
index 000000000..d0ae0d01f
--- /dev/null
+++ b/Casks/firefox-ru.rb
@@ -0,0 +1,17 @@
+cask :v1 => 'firefox-ru' do
+  version :latest
+  sha256 :no_check
+
+  url 'https://download.mozilla.org/?product=firefox-latest&os=osx&lang=ru'
+  name 'Firefox'
+  homepage 'https://www.mozilla.org/ru/firefox/desktop'
+  license :mpl
+  tags :vendor => 'Mozilla'
+
+  app 'Firefox.app'
+
+  zap :delete => [
+                  '~/Library/Application Support/Firefox',
+                  '~/Library/Caches/Firefox',
+                 ]
+end
diff --git a/Casks/firefox-uk.rb b/Casks/firefox-uk.rb
new file mode 100644
index 000000000..cd13c9d25
--- /dev/null
+++ b/Casks/firefox-uk.rb
@@ -0,0 +1,17 @@
+cask :v1 => 'firefox-uk' do
+  version :latest
+  sha256 :no_check
+
+  url 'https://download.mozilla.org/?product=firefox-latest&os=osx&lang=uk'
+  name 'Firefox'
+  homepage 'https://www.mozilla.org/uk/firefox/new'
+  license :mpl
+  tags :vendor => 'Mozilla'
+
+  app 'Firefox.app'
+
+  zap :delete => [
+                  '~/Library/Application Support/Firefox',
+                  '~/Library/Caches/Firefox',
+                 ]
+end