diff --git a/Casks/omnigraffle-professional5.rb b/Casks/omnigraffle-professional5.rb
new file mode 100644
index 000000000..e9a123d21
--- /dev/null
+++ b/Casks/omnigraffle-professional5.rb
@@ -0,0 +1,7 @@
+class OmnigraffleProfessional5 < Cask
+  url 'http://www.omnigroup.com/ftp/pub/software/MacOSX/10.6/OmniGrafflePro-5.4.4.dmg'
+  homepage 'http://www.omnigroup.com/products/omnigraffle'
+  version '5.4.4'
+  sha256 '396a4adaadb82d651ea6ec8b141c9e5f5b0b5f53c6edee5e7806a896783892c9'
+  link 'OmniGraffle Professional 5.app'
+end