diff --git a/Casks/s/stringz.rb b/Casks/s/stringz.rb
index 4aa1d361ae..c4da6f6918 100644
--- a/Casks/s/stringz.rb
+++ b/Casks/s/stringz.rb
@@ -7,6 +7,8 @@ cask "stringz" do
   desc "Editor for localizable files"
   homepage "https://github.com/mohakapt/Stringz"
 
+  depends_on macos: ">= :catalina"
+
   app "Stringz.app"
 
   zap trash: [