diff --git a/Casks/webkit-nightly.rb b/Casks/webkit-nightly.rb
index 00e1366eb..65e353eae 100644
--- a/Casks/webkit-nightly.rb
+++ b/Casks/webkit-nightly.rb
@@ -1,6 +1,6 @@
 cask 'webkit-nightly' do
-  version 'r203276'
-  sha256 'a930b9684d0d2ec821af34b0af968415d17be203c9f7e07764899f823b19e26f'
+  version 'r203436'
+  sha256 '54c9b6a28385316eab59e59acb8af24f25db18c6c2537014cf9f4ab3ceac344c'
 
   url "http://builds.nightly.webkit.org/files/trunk/mac/WebKit-SVN-#{version}.dmg"
   name 'WebKit Nightly'