packageOverrides = pkgs: {
        docker =
            (
                import
                    (
                        builtins.fetchTarball {
                            url = https://github.com/NixOS/nixpkgs/archive/ff2b0316b4d0c861790fb407aa827a8eaf2634c5.tar.gz;
                            sha256="0kd9s27zv19i2mk3f46cjsy92jiv56nhfxay7s9av5nx7l7imy1h";
                        }
                    )
                    {
                        config = {};
                    }
            ).docker;
    };