diff --git a/macos/.config/homebrew/Brewfile b/macos/.config/homebrew/Brewfile
index 48ab314..73381eb 100644
--- a/macos/.config/homebrew/Brewfile
+++ b/macos/.config/homebrew/Brewfile
@@ -27,6 +27,7 @@ brew "packer"
 brew "poetry"
 brew "python@3.14"
 brew "sass/sass/sass"
+brew "shellcheck"
 brew "smartmontools"
 brew "terraform-docs"
 brew "terraform-local"