Relicense under Perl 5 terms.

Build.PL

@@ -36,7 +36,7 @@ my $class = Module::Build->subclass(
 
 my $builder = $class->new(
 	module_name         => 'Test::Type',
-	license             => 'GPL_3',
+	license             => 'Perl_5',
 	dist_author         => q{Guillaume Aubert <aubertg@cpan.org>},
 	dist_version_from   => 'lib/Test/Type.pm',
 	build_requires      =>

META.json

@@ -6,7 +6,7 @@
    "dynamic_config" : 1,
    "generated_by" : "Module::Build version 0.4205",
    "license" : [
-      "gpl_3"
+      "perl_5"
    ],
    "meta-spec" : {
       "url" : "http://search.cpan.org/perldoc?CPAN::Meta::Spec",
@@ -48,7 +48,7 @@
       },
       "homepage" : "https://metacpan.org/release/Test-Type",
       "license" : [
-         "http://www.gnu.org/licenses/gpl-3.0.txt"
+         "http://dev.perl.org/licenses/"
       ],
       "repository" : {
          "url" : "https://github.com/guillaumeaubert/Test-Type"

META.yml

@@ -9,7 +9,7 @@ configure_requires:
   Module::Build: '0'
 dynamic_config: 1
 generated_by: 'Module::Build version 0.4205, CPAN::Meta::Converter version 2.140640'
-license: gpl
+license: perl
 meta-spec:
   url: http://module-build.sourceforge.net/META-spec-v1.4.html
   version: '1.4'
@@ -27,6 +27,6 @@ requires:
 resources:
   bugtracker: https://github.com/guillaumeaubert/Test-Type/issues
   homepage: https://metacpan.org/release/Test-Type
-  license: http://www.gnu.org/licenses/gpl-3.0.txt
+  license: http://dev.perl.org/licenses/
   repository: https://github.com/guillaumeaubert/Test-Type
 version: v1.2.0

README.md

@@ -4,7 +4,7 @@ Test-Type
 [![Build Status](https://travis-ci.org/guillaumeaubert/Test-Type.svg?branch=master)](https://travis-ci.org/guillaumeaubert/Test-Type)
 [![Coverage Status](https://coveralls.io/repos/guillaumeaubert/Test-Type/badge.svg?branch=master)](https://coveralls.io/r/guillaumeaubert/Test-Type?branch=master)
 [![CPAN](https://img.shields.io/cpan/v/Test-Type.svg)](https://metacpan.org/release/Test-Type)
-[![License](https://img.shields.io/badge/license-GPLv3-blue.svg)](https://opensource.org/licenses/GPL-3.0)
+[![License](https://img.shields.io/badge/license-Perl%205-blue.svg)](http://dev.perl.org/licenses/)
 
 Test::Type offers functions to validate data types in test files.
 
@@ -47,16 +47,11 @@ You can also look for information at:
 LICENSE AND COPYRIGHT
 ---------------------
 
-Copyright (C) 2012-2016 Guillaume Aubert
+Copyright (C) 2012-2016 Guillaume Aubert.
 
-This program is free software: you can redistribute it and/or modify it under
-the terms of the GNU General Public License version 3 as published by the Free
-Software Foundation.
+This code is free software; you can redistribute it and/or modify it under the
+same terms as Perl 5 itself.
 
 This program is distributed in the hope that it will be useful, but WITHOUT ANY
 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
-PARTICULAR PURPOSE. See the GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License along with
-this program. If not, see http://www.gnu.org/licenses/
-
+PARTICULAR PURPOSE. See the LICENSE file for more details.

lib/Test/Type.pm

@@ -573,16 +573,12 @@ C<< <aubertg at cpan.org> >>.
 
 Copyright 2012-2016 Guillaume Aubert.
 
-This program is free software: you can redistribute it and/or modify it under
-the terms of the GNU General Public License version 3 as published by the Free
-Software Foundation.
+This code is free software; you can redistribute it and/or modify it under the
+same terms as Perl 5 itself.
 
 This program is distributed in the hope that it will be useful, but WITHOUT ANY
 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
-PARTICULAR PURPOSE. See the GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License along with
-this program. If not, see http://www.gnu.org/licenses/
+PARTICULAR PURPOSE. See the LICENSE file for more details.
 
 =cut