diff --git a/Casks/firefoxdeveloperedition.rb b/Casks/firefoxdeveloperedition.rb
index 7a09b79bb..88fcf8a9b 100644
--- a/Casks/firefoxdeveloperedition.rb
+++ b/Casks/firefoxdeveloperedition.rb
@@ -1,50 +1,50 @@
 cask 'firefoxdeveloperedition' do
-  version '57.0b3'
+  version '57.0b13'
 
   language 'cs' do
-    sha256 '6b3aa3ab0f2bf56e82f95559bf0f8ebd68e3094a084fdc34d544dcc3a02f7fe3'
+    sha256 '21c1cd568631ffd4ff7a51cb7baf5e6b7a491656cd2d91f4f362617dcccbd7d6'
     'cs'
   end
 
   language 'de' do
-    sha256 '7138612d50d55806dede7de55dedeae5669afaa51bed0826d789262fc1a4980a'
+    sha256 'e28c254b18259965d70f75b3935385f1e29fba557ff0e5d13d86ad423163a711'
     'de'
   end
 
   language 'en', default: true do
-    sha256 'f7e92f31e2eea01baf145bd1cf263d73831bfc40b15e5fc89de36ef8634ab728'
+    sha256 '497f588ad2093b5710a3be14685cab99f6e1e84bc8f9e277f62bf6596578c4b0'
     'en-US'
   end
 
   language 'ja' do
-    sha256 '5a55e087335e191f8a73ddc535805a89587867a9cf16255ef2aca8d00975b655'
+    sha256 '6b8d9c69a0bf6d22a393712dc2e859cba57e83ea0e5f6bc6a16a00a573308e94'
     'ja-JP-mac'
   end
 
   language 'ru' do
-    sha256 '602f87bc88ae988a2cd89f856b903ff8e1b8bd58adbfc2002ec5114b85872519'
+    sha256 'eb679afce9e68ed225efe03cb457e686e30c98f5ef86a71a4b258ba8dd37a4fd'
     'ru'
   end
 
   language 'uk' do
-    sha256 '09ab818edf00d06dd52eb51178cd80c84a3d2c0b8dbcd375bde8e2cc9a511e77'
+    sha256 '9897cdd1fc1c1ad9749a66b0c4f18f4252c0e3dd19cc549a05ccf37fc973c6b9'
     'uk'
   end
 
   language 'zh-TW' do
-    sha256 '40dfa404e8b6093fa8b466417dc3da9eea226aa1a16dd82f3d688e4ec3adf4cd'
+    sha256 '7bf36c51f3547fc63d432f5b7e9ffcda4229e410803f2deb4db55c5205a535ac'
     'zh-TW'
   end
 
   language 'zh' do
-    sha256 'bcce0a37eacb811995b4d58009af181df6c7a827a65d91b26ec9572fcea70184'
+    sha256 'd30f3ecfb91832feb333abdf2247122dfd3d878ee3c96f168b5c4f3c16c820fb'
     'zh-CN'
   end
 
   # download-installer.cdn.mozilla.net/pub/devedition/releases was verified as official when first introduced to the cask
   url "https://download-installer.cdn.mozilla.net/pub/devedition/releases/#{version}/mac/#{language}/Firefox%20#{version}.dmg"
   appcast 'https://download-installer.cdn.mozilla.net/pub/devedition/releases/',
-          checkpoint: 'afceb008922b57728876b87c128ee8bd88824a851ec730fd1ad84e42e390e2cd'
+          checkpoint: '1e7430d4bd2499648cf51fa5c563d65e3dff7740d408bb868763ee5ade2e1dba'
   name 'Mozilla Firefox Developer Edition'
   homepage 'https://www.mozilla.org/firefox/developer/'