diff --git a/system/machine/Darwin/configuration.nix b/system/machine/Darwin/configuration.nix
index a0f84fe..555fb99 100644
--- a/system/machine/Darwin/configuration.nix
+++ b/system/machine/Darwin/configuration.nix
@@ -57,6 +57,7 @@
     lua5_4
     magic-wormhole
     ncurses
+    mas
     sqlite
   ];