diff --git a/Casks/q/qth.rb b/Casks/q/qth.rb
index 2747edd5cd..923e2ee191 100644
--- a/Casks/q/qth.rb
+++ b/Casks/q/qth.rb
@@ -12,7 +12,7 @@ cask "qth" do
     regex(%r{href=.*?/QTH[._-]v?(\d+(?:\.\d+)+)\.dmg}i)
   end
 
-  depends_on macos: ">= :sierra"
+  depends_on macos: ">= :high_sierra"
 
   app "QTH.app"