diff --git a/perl-Date-Calc.changes b/perl-Date-Calc.changes
index 0a58169..767f495 100644
--- a/perl-Date-Calc.changes
+++ b/perl-Date-Calc.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Thu Feb  6 22:21:05 UTC 2025 - Tina Müller <tina.mueller@suse.com>
+
+- Normalize CPAN version
+  See https://github.com/openSUSE/cpanspec/issues/47 for details
+
 -------------------------------------------------------------------
 Mon Mar  4 12:36:54 UTC 2024 - pgajdos@suse.com
 
diff --git a/perl-Date-Calc.spec b/perl-Date-Calc.spec
index 982735e..1a7a141 100644
--- a/perl-Date-Calc.spec
+++ b/perl-Date-Calc.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package perl-Date-Calc
 #
-# Copyright (c) 2015 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2025 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -12,48 +12,57 @@
 # license that conforms to the Open Source Definition (Version 1.9)
 # published by the Open Source Initiative.
 
-# Please submit bugfixes or comments via http://bugs.opensuse.org/
+# Please submit bugfixes or comments via https://bugs.opensuse.org/
 #
 
 
-Name:           perl-Date-Calc
-Version:        6.4
-Release:        0
 %define cpan_name Date-Calc
+Name:           perl-Date-Calc
+Version:        6.400.0
+Release:        0
+# 6.4 -> normalize -> 6.400.0
+%define cpan_version 6.4
+License:        Artistic-1.0 OR GPL-1.0-or-later
 Summary:        Gregorian calendar date calculations
-License:        Artistic-1.0 or GPL-1.0+
-Group:          Development/Libraries/Perl
-Url:            http://search.cpan.org/dist/Date-Calc/
-Source0:        http://www.cpan.org/authors/id/S/ST/STBEY/%{cpan_name}-%{version}.tar.gz
+URL:            https://metacpan.org/release/%{cpan_name}
+Source0:        https://cpan.metacpan.org/authors/id/S/ST/STBEY/%{cpan_name}-%{cpan_version}.tar.gz
 Source1:        cpanspec.yml
 Patch0:         fix2038.patch
 BuildArch:      noarch
-BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 BuildRequires:  perl
 BuildRequires:  perl-macros
-BuildRequires:  perl(Bit::Vector) >= 7.4
-BuildRequires:  perl(Carp::Clan) >= 6.04
-Requires:       perl(Bit::Vector) >= 7.4
-Requires:       perl(Carp::Clan) >= 6.04
-Recommends:     perl(Date::Calc::XS) >= 6.4
+BuildRequires:  perl(Bit::Vector) >= 7.400
+BuildRequires:  perl(Carp::Clan) >= 6.40.0
+Requires:       perl(Bit::Vector) >= 7.400
+Requires:       perl(Carp::Clan) >= 6.40.0
+Provides:       perl(Date::Calc) = %{version}
+Provides:       perl(Date::Calc::Object) = %{version}
+Provides:       perl(Date::Calc::PP) = %{version}
+Provides:       perl(Date::Calendar) = %{version}
+Provides:       perl(Date::Calendar::Profiles) = %{version}
+Provides:       perl(Date::Calendar::Year) = %{version}
+%undefine       __perllib_provides
+Recommends:     perl(Date::Calc::XS) >= 6.400
 %{perl_requires}
 
 %description
-* *
+  * 'use Date::Calc qw( Days_in_Year Days_in_Month ... );'
 
-  'use Date::Calc qw( Days_in_Year Days_in_Month ... );'
+  * 'use Date::Calc qw(:all);'
 
-* *
+You can either specify the functions you want to import explicitly by
+enumerating them between the parentheses of the "'qw()'" operator, or you
+can use the "':all'" tag instead to import *ALL* available functions.
 
 %prep
-%autosetup -p1 -n %{cpan_name}-%{version}
+%autosetup  -n %{cpan_name}-%{cpan_version} -p1
 
 %build
-%{__perl} Makefile.PL INSTALLDIRS=vendor
-%{__make} %{?_smp_mflags}
+perl Makefile.PL INSTALLDIRS=vendor
+%make_build
 
 %check
-%{__make} test
+make test
 
 %install
 %perl_make_install
@@ -61,7 +70,7 @@ Recommends:     perl(Date::Calc::XS) >= 6.4
 %perl_gen_filelist
 
 %files -f %{name}.files
-%defattr(-,root,root,755)
 %doc CHANGES.txt CREDITS.txt README.txt
+%license license
 
 %changelog