diff --git a/Casks/f/fugu.rb b/Casks/f/fugu.rb
index 7ae1395c17..ef4bd2e1ed 100644
--- a/Casks/f/fugu.rb
+++ b/Casks/f/fugu.rb
@@ -7,9 +7,7 @@ cask "fugu" do
   desc "Frontend for OpenSSH's sftp/scp tools"
   homepage "https://sourceforge.net/projects/fugussh/"
 
-  app "Fugu.app"
+  deprecate! date: "2023-12-17", because: :discontinued
 
-  caveats do
-    discontinued
-  end
+  app "Fugu.app"
 end