diff --git a/Casks/webkit-nightly.rb b/Casks/webkit-nightly.rb
index 68b250422..183b40000 100644
--- a/Casks/webkit-nightly.rb
+++ b/Casks/webkit-nightly.rb
@@ -1,6 +1,6 @@
 cask 'webkit-nightly' do
-  version 'r203973'
-  sha256 '66b7d076f9f2fdcecdb710aac247d3a5b45ab1713c2347d58ac33d9783f1ebec'
+  version 'r204050'
+  sha256 'aad5089a144b84b6e00b324e75ea4a14b4384dea34d6ceaad78187f77d0df41a'
 
   url "http://builds.nightly.webkit.org/files/trunk/mac/WebKit-SVN-#{version}.dmg"
   name 'WebKit Nightly'