diff --git a/modules/basic-tools/nix.nix b/modules/basic-tools/nix.nix
index 12d5ee3..990bd0a 100644
--- a/modules/basic-tools/nix.nix
+++ b/modules/basic-tools/nix.nix
@@ -6,6 +6,9 @@
     '';
   };
 
+  # nix output-monitor
+  environment.systemPackages = [ pkgs.nix-output-monitor ];
+
   # override default nix shell nixpkgs# behaviour to use current flake lock
   nix.registry =
     let flakes = lib.filterAttrs (_name: value: value ? outputs) inputs.self.inputs;