If you have multiple maintainers for your gem you can give your
fellow maintainers permission to push the gem to RubyGems.org through
the gem owner command.
gem owner my_gem -a foo@example.com
Estas son las opciones que admite:
$ gem help owner
Usage: gem owner GEM [options]
  Options:
    -k, --key KEYNAME                Use the given API key
                                     from ~/.gem/credentials
    -a, --add EMAIL                  Add an owner
    -r, --remove EMAIL               Remove an owner
  Local/Remote Options:
    -p, --[no-]http-proxy [URL]      Use HTTP proxy for remote operations
  Common Options:
    -h, --help                       Get help on this command
    -V, --[no-]verbose               Set the verbose level of output
    -q, --quiet                      Silence commands
        --config-file FILE           Use this config file instead of default
        --backtrace                  Show stack backtrace on errors
        --debug                      Turn on Ruby debugging
  Arguments:
    GEM       gem to manage owners for
  Summary:
    Manage gem owners on RubyGems.org.