self: super: {
  postman = super.postman.overrideAttrs (old: rec {
    name = "postman-${version}";
    version = "7.5.0";

    src = self.fetchurl {
      name = "${name}.tar.gz";
      url = "https://dl.pstmn.io/download/version/${version}/linux64";
      sha256 = "1g1lg3pba1gqkfj7s4s50qyzl0j7i1wk4fsgwmk6rzmy714bwgg0";
    };
  });
}