diff --git a/Casks/invisorql.rb b/Casks/invisorql.rb
index 080913cd7..fb59296f0 100644
--- a/Casks/invisorql.rb
+++ b/Casks/invisorql.rb
@@ -1,5 +1,5 @@
 class Invisorql < Cask
-  version 'latest'
+  version :latest
   sha256 :no_check
 
   url 'http://www.pozdeev.com/invisor/InvisorQL.zip'