diff --git a/.goreleaser.yml b/.goreleaser.yml
index 227a77ded8861c40a609e850bb1cadd80569d778..f6f4817b9f81da72f56002270b4d00f0e2d978b2 100644
--- a/.goreleaser.yml
+++ b/.goreleaser.yml
@@ -62,5 +62,6 @@ homebrew_casks:
     homepage: https://github.com/boldsoftware/shelley
     description: "A mobile-friendly, web-based, multi-modal coding agent"
     hooks:
-      post_install: |
-        system "xattr", "-dr", "com.apple.quarantine", "#{caskroom_path}"
+      post:
+        install: |
+          system_command "/usr/bin/xattr", args: ["-dr", "com.apple.quarantine", "#{caskroom_path}"]