{ factorio-headless, pkgs }: factorio-headless.overrideAttrs (_: rec { version = "2.0.23"; src = pkgs.fetchurl { name = "factorio_headless_x64-${version}.tar.xz"; url = "https://www.factorio.com/get-download/${version}/headless/linux64"; hash = "sha256-6Bn8mtbfBhv51L/8kZiN0Y0OOYLIscIsBSXXi9o+8hY="; }; })