diff --git a/perl-DateTime-Format-Mail.spec b/perl-DateTime-Format-Mail.spec
index ce67a31..b5a0589 100644
--- a/perl-DateTime-Format-Mail.spec
+++ b/perl-DateTime-Format-Mail.spec
@@ -1,25 +1,25 @@
 %define perl_major_ver %(eval `perl -V:version`; echo ${version%*.[0-9]*}.0)
 
 Name:          perl-DateTime-Format-Mail
-Version:       0.3001
-Release:       3mamba
+Epoch:         1
+Version:       0.403
+Release:       1mamba
 Summary:       DateTime::Format::Mail - Convert between DateTime and RFC2822/822 formats
 Group:         System/Libraries/Perl
 Vendor:        openmamba
 Distribution:  openmamba
-Packager:      Aleph0 <aleph0@openmamba.org>
-URL:           http://www.cpan.org
-Source:        http://www.cpan.org/modules/by-module/DateTime/DateTime-Format-Mail-%{version}.tar.gz
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           https://www.cpan.org/
+Source:        https://cpan.metacpan.org/authors/id/B/BO/BOOK/DateTime-Format-Mail-%{version}.tar.gz
 Patch0:        perl-DateTime-Format-Mail-0.3001-fix-DateTime-version-req.patch
 License:       GPL, Artistic
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: perl-DateTime
-BuildRequires: perl-devel
 BuildRequires: perl-Params-Validate
+BuildRequires: perl-devel
 ## AUTOBUILDREQ-END
 Requires:      perl >= %perl_major_ver
 BuildArch:     noarch
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 # FIXME:
 # make test: Test::Signature 1.03 not installed
@@ -30,19 +30,17 @@ Convert between DateTime and RFC2822/822 formats.
 
 %prep
 %setup -q -n DateTime-Format-Mail-%{version}
-%patch0 -p1
+#%patch0 -p1
 
 %build
-perl Build.PL installdirs=vendor
-./Build
-./Build test
+%{__perl} Makefile.PL PREFIX=%{_prefix} INSTALLDIRS=vendor OPTIMIZE="%{optflags}"
+
+%make
+%make test
 
 %install
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
-./Build install \
-   destdir="%{buildroot}" \
-   --install_path bindoc="%{_mandir}/man1" \
-   --install_path libdoc="%{_mandir}/man3"
+%makeinstall_perl
 
 packlist=`find %{buildroot} -name .packlist`
 [ -z "$packlist" ] && exit 1 || cat $packlist | \
@@ -65,6 +63,9 @@ rm -f .packlist
 %defattr(-,root,root)
 
 %changelog
+* Sat Oct 21 2023 Silvan Calarco <silvan.calarco@mambasoft.it> 0.403-1mamba
+- update to 0.403
+
 * Tue Apr 30 2013 Silvan Calarco <silvan.calarco@mambasoft.it> 0.3001-3mamba
 - rebuild with perl-DateTime 0.78