diff --git a/perl-Math-BigInt-FastCalc.changes b/perl-Math-BigInt-FastCalc.changes
index bce0860..43608dd 100644
--- a/perl-Math-BigInt-FastCalc.changes
+++ b/perl-Math-BigInt-FastCalc.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Tue Mar 12 17:02:35 UTC 2024 - Tina Müller <tina.mueller@suse.com>
+
+- Normalize CPAN version
+  See https://github.com/openSUSE/cpanspec/issues/47 for details
+
 -------------------------------------------------------------------
 Thu Dec 28 03:07:05 UTC 2023 - Tina Müller <timueller+perl@suse.de>
 
diff --git a/perl-Math-BigInt-FastCalc.spec b/perl-Math-BigInt-FastCalc.spec
index f04fda8..9d67ffe 100644
--- a/perl-Math-BigInt-FastCalc.spec
+++ b/perl-Math-BigInt-FastCalc.spec
@@ -18,12 +18,13 @@
 
 %define cpan_name Math-BigInt-FastCalc
 Name:           perl-Math-BigInt-FastCalc
-Version:        0.5016
+Version:        0.501.600
 Release:        0
+%define cpan_version 0.5016
 License:        Artistic-1.0 OR GPL-1.0-or-later
 Summary:        Math::BigInt::Calc with some XS for more speed
 URL:            https://metacpan.org/release/%{cpan_name}
-Source0:        https://cpan.metacpan.org/authors/id/P/PJ/PJACKLAM/%{cpan_name}-%{version}.tar.gz
+Source0:        https://cpan.metacpan.org/authors/id/P/PJ/PJACKLAM/%{cpan_name}-%{cpan_version}.tar.gz
 Source1:        cpanspec.yml
 BuildRequires:  perl
 BuildRequires:  perl-macros
@@ -33,6 +34,8 @@ BuildRequires:  perl(Math::BigInt) >= 2.2.1
 BuildRequires:  perl(Test::More) >= 0.82
 Requires:       perl(Carp) >= 1.22
 Requires:       perl(Math::BigInt) >= 2.2.1
+Provides:       perl(Math::BigInt::FastCalc) = %{version}
+%undefine       __perllib_provides
 %{perl_requires}
 # MANUAL BEGIN
 %if 0%{?suse_version} <= 1320
@@ -69,7 +72,7 @@ loaded. For example,
     use Math::BigInt lib => 'FastCalc';
 
 %prep
-%autosetup  -n %{cpan_name}-%{version}
+%autosetup  -n %{cpan_name}-%{cpan_version}
 
 %build
 PERL_USE_UNSAFE_INC=1 perl Makefile.PL INSTALLDIRS=vendor OPTIMIZE="%{optflags}"