diff --git a/bert/services/factorio.nix b/bert/services/factorio.nix
index b6291ac..78336a5 100644
--- a/bert/services/factorio.nix
+++ b/bert/services/factorio.nix
@@ -4,9 +4,7 @@
   ];
   services.factorio = {
     enable = true;
-    package = (import (fetchTarball "https://github.com/NixOS/nixpkgs/archive/aa2922b69f0245008d93e9edf9f34894db724d89.tar.gz") {
-      config.allowUnfree = true;
-    }).factorio-headless;
+    package = pkgs.factorio-headless;
     openFirewall = true;
     nonBlockingSaving = true;
     game-name = "Chandler's Factorio Server";