diff --git a/Casks/yorufukurou.rb b/Casks/yorufukurou.rb
index 31ee1dc4dae..5e930312a23 100644
--- a/Casks/yorufukurou.rb
+++ b/Casks/yorufukurou.rb
@@ -1,5 +1,6 @@
 class Yorufukurou < Cask
   url 'http://aki-null.net/yf/YoruFukurou_SL.zip'
+  appcast 'http://sites.google.com/site/yorufukurou/distribution/appcast.xml'
   homepage 'https://sites.google.com/site/yorufukurou/home-en'
   version 'latest'
   sha256 :no_check