diff --git a/Casks/transmission.rb b/Casks/transmission.rb
index e15d8a1c253..91f8c4e547d 100644
--- a/Casks/transmission.rb
+++ b/Casks/transmission.rb
@@ -2,9 +2,10 @@ cask 'transmission' do
   version '2.92'
   sha256 '926a878cac007e591cfcea987048abc0689d77e7729a28255b9ea7b73f22d693'
 
-  url "https://download.transmissionbt.com/files/Transmission-#{version}.dmg"
-  appcast 'https://update.transmissionbt.com/appcast.xml',
-          checkpoint: '24dcf232666db1aed41dae45c6a4fa9e7f52b98c10e69207cdd48baf83e114ac'
+  # github.com/transmission/transmission was verified as official when first introduced to the cask
+  url "https://github.com/transmission/transmission/releases/download/#{version}/transmission-#{version}.dmg"
+  appcast 'https://github.com/transmission/transmission/releases.atom',
+          checkpoint: '97d7eb25ba4b293ec0948784d0b73c45483a2daa9cd00fcd5e80a9b56107ffc1'
   name 'Transmission'
   homepage 'https://www.transmissionbt.com/'
   license :gpl