diff --git a/Casks/steam.rb b/Casks/steam.rb
index 420f6f1b2..17b21657d 100644
--- a/Casks/steam.rb
+++ b/Casks/steam.rb
@@ -1,5 +1,5 @@
 class Steam < Cask
-  version 'latest'
+  version :latest
   sha256 :no_check
 
   url 'http://media.steampowered.com/client/installer/steam.dmg'