diff --git a/Casks/waterfox-current.rb b/Casks/waterfox-current.rb
new file mode 100644
index 00000000000..e289452e7d6
--- /dev/null
+++ b/Casks/waterfox-current.rb
@@ -0,0 +1,19 @@
+cask 'waterfox-current' do
+  version '2020.02,6820.2.12'
+  sha256 '2c78b718c1cbc557ec142c74f1749f2e13096c7513052c930e6f5c33be0e5b21'
+
+  # storage-waterfox.netdna-ssl.com was verified as official when first introduced to the cask
+  url "https://storage-waterfox.netdna-ssl.com/releases/osx64/installer/Waterfox%20Current%20#{version.before_comma}%20Setup.dmg"
+  appcast 'https://www.waterfox.net/download/'
+  name 'Waterfox Current'
+  homepage 'https://www.waterfox.net/'
+
+  app 'Waterfox Current.app'
+
+  zap trash: [
+               '~/Library/Application Support/com.apple.sharedfilelist/com.apple.LSSharedFileList.ApplicationRecentDocuments/org.mozilla.waterfox.sfl*',
+               '~/Library/Application Support/Waterfox',
+               '~/Library/Caches/Waterfox',
+               '~/Library/Preferences/org.waterfoxproject.waterfox.plist',
+             ]
+end