{ fetchHex }:
{
  ranch = fetchHex {
    pkg = "ranch";
    version = "2.2.0";
    sha256 = "FA0B99A1780C80218A4197A59EA8D3BDAE32FBFF7E88527D7D8A4787EFF4F8E7";
  };
  cowlib = fetchHex {
    pkg = "cowlib";
    version = "2.16.0";
    sha256 = "7F478D80D66B747344F0EA7708C187645CFCC08B11AA424632F78E25BF05DB51";
  };
  cowboy = fetchHex {
    pkg = "cowboy";
    version = "2.14.0";
    sha256 = "EA99769574550FE8A83225C752E8A62780A586770EF408816B82B6FE6D46476B";
  };
}