diff --git a/perl-Net-CIDR.spec b/perl-Net-CIDR.spec
index 4131e24..380ce1a 100644
--- a/perl-Net-CIDR.spec
+++ b/perl-Net-CIDR.spec
@@ -1,19 +1,18 @@
 %define perl_major_ver %(eval `perl -V:version`; echo ${version%*.[0-9]*}.0)
 
 Name:           perl-Net-CIDR
-Version:        0.20
+Version:        0.21
 Release:        1mamba
 Summary:        Net::CIDR - Manipulate IPv4/IPv6 netblocks in CIDR notation 
 Group:          System/Libraries/Perl
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:       Silvan Calarco <silvan.calarco@mambasoft.it>
-URL:            http://www.cpan.org
-Source:         http://search.cpan.org/CPAN/authors/id/M/MR/MRSAM/Net-CIDR-%{version}.tar.gz
+URL:            https://www.cpan.org
+Source:         https://cpan.metacpan.org/modules/by-module/Net/Net-CIDR-%{version}.tar.gz
 License:        BSD
 Requires:       perl >= %perl_major_ver
 BuildRequires:  perl-devel >= %perl_major_ver
-BuildRoot:      %{_tmppath}/%{name}-%{version}-root
 
 %description
 Net::CIDR - Manipulate IPv4/IPv6 netblocks in CIDR notation.
@@ -47,6 +46,9 @@ rm -f .packlist
 %defattr(-,root,root)
 
 %changelog
+* Wed Mar 31 2021 Automatic Build System <autodist@mambasoft.it> 0.21-1mamba
+- automatic version update by autodist
+
 * Tue Jul 30 2019 Automatic Build System <autodist@mambasoft.it> 0.20-1mamba
 - automatic update by autodist