diff --git a/Casks/webkit-nightly.rb b/Casks/webkit-nightly.rb
index df0417d27..3f0d2a902 100644
--- a/Casks/webkit-nightly.rb
+++ b/Casks/webkit-nightly.rb
@@ -1,6 +1,6 @@
 cask 'webkit-nightly' do
-  version 'r205421'
-  sha256 '8730f7e4d78c29efa7f7f96be2da36818b8ab84efcd5f530636235d0db1beae1'
+  version 'r205458'
+  sha256 'c533839f449d527ad7a6436240e1dbbff535f030d40e0c7ab09cb8008b8f7d9b'
 
   url "http://builds.nightly.webkit.org/files/trunk/mac/WebKit-SVN-#{version}.dmg"
   name 'WebKit Nightly'