diff --git a/Casks/m/mauve.rb b/Casks/m/mauve.rb
index aa3b4f4f91..2a5b1e4596 100644
--- a/Casks/m/mauve.rb
+++ b/Casks/m/mauve.rb
@@ -7,9 +7,7 @@ cask "mauve" do
   desc "System for constructing multiple genome alignments"
   homepage "https://darlinglab.org/mauve/mauve.html"
 
-  app "Mauve.app"
+  deprecate! date: "2023-12-17", because: :discontinued
 
-  caveats do
-    discontinued
-  end
+  app "Mauve.app"
 end