diff --git a/Casks/s/soundsource.rb b/Casks/s/soundsource.rb
index e6c1309c4f7bd..11e4f74541fb7 100644
--- a/Casks/s/soundsource.rb
+++ b/Casks/s/soundsource.rb
@@ -29,6 +29,7 @@
   end
 
   auto_updates true
+  conflicts_with cask: "soundsource@test"
 
   app "SoundSource.app"