diff --git a/Casks/c/chirp.rb b/Casks/c/chirp.rb
index 53af574f119..51c861601ec 100644
--- a/Casks/c/chirp.rb
+++ b/Casks/c/chirp.rb
@@ -1,6 +1,6 @@
 cask "chirp" do
   version "20240130"
-  sha256 "869fef0900bf99b8dbc5b1f052384880f0a09bcff5a6ee430cd25ff87a779930"
+  sha256 "1fbc05a9175dc99c60c6847f81a143952d80a24a696b55f2a0564694ee1fda65"
 
   url "https://trac.chirp.danplanet.com/chirp_next/next-#{version}/chirp-next-#{version}.app.zip"
   name "CHIRP"
@@ -12,6 +12,8 @@ cask "chirp" do
     regex(/next[._-]v?(\d+(?:\.\d+)*)/i)
   end
 
+  depends_on macos: ">= :big_sur"
+
   app "CHIRP.app"
 
   zap trash: "~/.chirp"