diff --git a/Casks/t/tuist.rb b/Casks/t/tuist.rb
index 46391925e7c3..be6d6f03b52f 100644
--- a/Casks/t/tuist.rb
+++ b/Casks/t/tuist.rb
@@ -8,6 +8,8 @@
   desc "Create, maintain, and interact with Xcode projects at scale"
   homepage "https://tuist.io/"
 
+  deprecate! date: "2025-05-28", because: :discontinued
+
   binary "tuist"
 
   zap trash: "~/.tuist"