diff --git a/Casks/sketchup-pro.rb b/Casks/sketchup-pro.rb
index 782c1e010..e2ce3079e 100644
--- a/Casks/sketchup-pro.rb
+++ b/Casks/sketchup-pro.rb
@@ -1,5 +1,5 @@
 class SketchupPro < Cask
-  version 'latest'
+  version :latest
   sha256 :no_check
 
   # downloads can be found at http://www.sketchup.com/download/all