diff --git a/Casks/l/line-bot-designer.rb b/Casks/l/line-bot-designer.rb
index 10c55a1ac6..1f0d453144 100644
--- a/Casks/l/line-bot-designer.rb
+++ b/Casks/l/line-bot-designer.rb
@@ -8,9 +8,7 @@ cask "line-bot-designer" do
   desc "Prototype LINE bots"
   homepage "https://developers.line.biz/en/"
 
-  app "LINE Bot Designer.app"
+  deprecate! date: "2023-12-17", because: :discontinued
 
-  caveats do
-    discontinued
-  end
+  app "LINE Bot Designer.app"
 end