{
  amq-protocol = {
    url = "https://github.com/cloudamqp/amq-protocol.cr.git";
    rev = "v1.1.4";
    sha256 = "1x10zh371wmwi55rpdymfhf7hbh900zc94b64hkk12pp20mws55r";
  };
  amqp-client = {
    url = "https://github.com/cloudamqp/amqp-client.cr.git";
    rev = "v1.0.11";
    sha256 = "0d08k9jjd9jw40slj71wi9p6773d1djva9zjb40pskcgg2wfirx3";
  };
}