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 Sat 25 Oct 2014 01:22:54 PM JST gpg: using RSA key DA172575A8EC2FE9 gpg: Can't check signature: No public key --- SIGNATURE Sat Oct 25 13:22:54 2014 +++ @@ -1,6 +1,8 @@ SHA1 b98d8ab44560f873db298ee10d4970c9b6109844 Changes -SHA1 b4ac2f3293dd6c83d1b8006ca4e915aae9062823 MANIFEST +SHA1 cead5a7a3be615a95c80ce49ec685276be48e13a MANIFEST SHA1 5f29cdcbfacb9c46ac155fff9844aceeb064aef1 MANIFEST.SKIP +SHA256 588271fff84f5a9758b81ab7296780dccd7540600585ce047c747df055212d8c META.json +SHA256 7da32aeb2aeaec49a3c8f6e311f6715130fde5126dd52a83958cd089a95eda09 META.yml SHA1 88bb2c0be88c066a8b59e872328a73db84d67243 Makefile.PL SHA1 1c91c6b2719e51465f722d89d4bfb56dab54d9e6 README SHA1 9b738c3d0e1b7e1a24b06d50e43d1c83fde092cc lib/Crypt/Image.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.

Add a 'repository' resource to the META.yml via 'meta_add' accessor (for Module::Build) or META_ADD parameter (for ExtUtils::MakeMaker).

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