diff --git a/darwin/ivr/default.nix b/darwin/ivr/default.nix
index 3678a92..60b43be 100644
--- a/darwin/ivr/default.nix
+++ b/darwin/ivr/default.nix
@@ -18,6 +18,7 @@ let
 in {
 	environment.systemPackages = with pkgs; [
 		qemu_conf
+		unixtools.watch
 	];
 
 	homebrew = {