diff --git a/Casks/t/transnomino.rb b/Casks/t/transnomino.rb
index edd339db1b..e62fc9c5e8 100644
--- a/Casks/t/transnomino.rb
+++ b/Casks/t/transnomino.rb
@@ -13,7 +13,7 @@ cask "transnomino" do
   end
 
   auto_updates true
-  depends_on macos: ">= :mojave"
+  depends_on macos: ">= :catalina"
 
   app "Transnomino.app"