diff --git a/Casks/diffmerge.rb b/Casks/diffmerge.rb
index e8de08d4d..478b7354e 100644
--- a/Casks/diffmerge.rb
+++ b/Casks/diffmerge.rb
@@ -1,7 +1,7 @@
 class Diffmerge < Cask
-  url 'http://download-us.sourcegear.com/DiffMerge/3.3.2/DiffMerge.3.3.2.1139.dmg'
+  url 'http://download-us.sourcegear.com/DiffMerge/4.0.0/DiffMerge.4.0.0.367.intel.stable.dmg'
   homepage 'http://www.sourcegear.com/diffmerge'
-  version '3.3.2'
-  sha1 '134ca0c88a63c01657e1d50cd05aa006c3a1529f'
+  version '4.0.0.367'
+  sha1 'd365bb1ba090aaf5b4f3813adf5e26542dc8d9d2'
   link 'DiffMerge.app'
 end