diff --git a/Casks/f/flutter.rb b/Casks/f/flutter.rb
index bbd2cf13844..d37c738dec6 100644
--- a/Casks/f/flutter.rb
+++ b/Casks/f/flutter.rb
@@ -1,9 +1,9 @@
 cask "flutter" do
   arch arm: "_arm64"
 
-  version "3.16.5"
-  sha256 arm:   "c731cdcb8a096cbe18393a2b9a37ffa8b672d633d5bdd2a932c52e4b8236b399",
-         intel: "faece94b93178db24053897577f6b288af8908e513c3041f994a0398efb4b977"
+  version "3.16.6"
+  sha256 arm:   "b89c5cbaa183e6f00b780ae44e56254fe677bfb9728092a84e2ebc5b517f479b",
+         intel: "a2bef5d1f7b2c2f0f740792e1db8149bd5d8fa011afc0b4a200137e93ae0bef1"
 
   url "https://storage.googleapis.com/flutter_infra_release/releases/stable/macos/flutter_macos#{arch}_#{version}-stable.zip",
       verified: "storage.googleapis.com/flutter_infra_release/releases/stable/macos/"