diff --git a/Casks/aliwangwang.rb b/Casks/aliwangwang.rb
index 02f0783a959..df6bf5dafd5 100644
--- a/Casks/aliwangwang.rb
+++ b/Casks/aliwangwang.rb
@@ -1,5 +1,5 @@
 class Aliwangwang < Cask
-  version 'latest'
+  version :latest
   sha256 :no_check
 
   url 'http://update.labs.etao.com/macww-nosandbox/versions/lastest'