Sign the dist as the last step before creating the archive. Take care not to modify/regenerate dist meta files or the manifest.

Error: Old SIGNATURE detected. Please inform the module author to regenerate SIGNATURE using Module::Signature version 0.82 or newer. gpg: Signature made Thu 28 Aug 2014 10:45:26 AM JST gpg: using RSA key DA172575A8EC2FE9 gpg: Can't check signature: No public key --- SIGNATURE Thu Aug 28 10:45:26 2014 +++ @@ -1,6 +1,8 @@ SHA1 edc52de304aa14748252eac28f135e9305e3d250 Changes -SHA1 0b44730acca4465aabafa762183766fbfe5d89af MANIFEST +SHA1 60a3572e11f752ed7015f158e87e4064b90f45f5 MANIFEST SHA1 5f29cdcbfacb9c46ac155fff9844aceeb064aef1 MANIFEST.SKIP +SHA256 a1d86e20ebd0b26eefa96979a7289beba48bba879eb6f18ee7400cd58f2b9d02 META.json +SHA256 97e1565568af29b41fa06af8cbedfaace90b1129749750e5678cd89e6d68fd51 META.yml SHA1 4296d94da087573d94db23802b88b1d373005d98 Makefile.PL SHA1 0141e8d7a1fc75da8200dd0c33aa3d9c973f470a README SHA1 257ef90b74381df59e8887495aefb76f3616f185 lib/WWW/Google/APIDiscovery.pm ==> MISMATCHED content between SIGNATURE and distribution files! <==

If you are using Build.PL define the {requires}{perl} = VERSION field. If you are using MakeMaker (Makefile.PL) you should upgrade ExtUtils::MakeMaker to 6.48 and use MIN_PERL_VERSION parameter. Perl::MinimumVersion can help you determine which version of Perl your module needs.

Add all modules contained in this distribution to the META.yml field 'provides'. Module::Build or Dist::Zilla::Plugin::MetaProvides do this automatically for you.

This is not a critical issue. Currently mainly informative for the CPANTS authors. It might be removed later.