diff --git a/Casks/entropy.rb b/Casks/entropy.rb
index ec87240ec..ddb04c661 100644
--- a/Casks/entropy.rb
+++ b/Casks/entropy.rb
@@ -1,5 +1,5 @@
 class Entropy < Cask
-  version 'latest'
+  version :latest
   sha256 :no_check
 
   url 'http://www.eigenlogik.com/entropy/download'