diff --git a/Casks/trickster.rb b/Casks/trickster.rb
index 3fa5b1d93..14046baca 100644
--- a/Casks/trickster.rb
+++ b/Casks/trickster.rb
@@ -3,7 +3,8 @@ class Trickster < Cask
   sha256 '6a6531e8c8c7672bf422c496a478ee26f184f1c63036d7f1125913d69a067292'
 
   url "http://dl.apparentsoft.com/Trickster_#{version}.zip"
-  appcast 'http://dl.apparentsoft.com/trickster.rss'
+  appcast 'http://dl.apparentsoft.com/trickster.rss',
+          :sha256 => '86fca660fb6674d67a5b5f3285e2fa463401c36c79bbaa65cc6f15091070a58d'
   homepage 'http://www.apparentsoft.com/trickster/'
   license :unknown