diff --git a/modules/darwin/system/homebrew/default.nix b/modules/darwin/system/homebrew/default.nix
index 2099b6a..77f0d86 100644
--- a/modules/darwin/system/homebrew/default.nix
+++ b/modules/darwin/system/homebrew/default.nix
@@ -1,4 +1,9 @@
-{ lib, config, inputs, ... }:
+{
+  lib,
+  config,
+  inputs,
+  ...
+}:
 
 with lib;
 with lib.metacfg;
diff --git a/systems/aarch64-darwin/m4/default.nix b/systems/aarch64-darwin/m4/default.nix
index db3b0c5..a402f6f 100644
--- a/systems/aarch64-darwin/m4/default.nix
+++ b/systems/aarch64-darwin/m4/default.nix
@@ -5,7 +5,11 @@ with lib.metacfg;
 
   homebrew = {
     enable = true;
-    brews = [ "libusb"];
+    brews = [
+      "libusb"
+      "mas"
+    ];
+    masApps = [ ];
   };
 
   metacfg = {