diff --git a/Casks/all2mp3.rb b/Casks/all2mp3.rb
index a3ec5c3b587..92387d1b329 100644
--- a/Casks/all2mp3.rb
+++ b/Casks/all2mp3.rb
@@ -1,5 +1,6 @@
 class All2mp3 < Cask
   url 'http://www.tresrrr.com/Program/All2MP3.zip'
+  appcast 'http://www.tresrrr.com/All2MP3/Appcast.xml'
   homepage 'http://www.tresrrr.com/All2MP3/ENGLISH.html'
   version 'latest'
   sha256 :no_check