diff --git a/Casks/omnigraffle-professional5.rb b/Casks/omnigraffle-professional5.rb
index 54919d33c..dc9fc7d2d 100644
--- a/Casks/omnigraffle-professional5.rb
+++ b/Casks/omnigraffle-professional5.rb
@@ -2,7 +2,7 @@ class OmnigraffleProfessional5 < Cask
   version '5.4.4'
   sha256 '396a4adaadb82d651ea6ec8b141c9e5f5b0b5f53c6edee5e7806a896783892c9'
 
-  url 'http://www.omnigroup.com/ftp/pub/software/MacOSX/10.6/OmniGrafflePro-5.4.4.dmg'
+  url "http://www.omnigroup.com/ftp/pub/software/MacOSX/10.6/OmniGrafflePro-#{version}.dmg"
   homepage 'http://www.omnigroup.com/products/omnigraffle'
 
   app 'OmniGraffle Professional 5.app'