diff --git a/Math-BigInt-FastCalc-0.5014.tar.gz b/Math-BigInt-FastCalc-0.5014.tar.gz
deleted file mode 100644
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diff --git a/Math-BigInt-FastCalc-0.5018.tar.gz b/Math-BigInt-FastCalc-0.5018.tar.gz
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diff --git a/perl-Math-BigInt-FastCalc.spec b/perl-Math-BigInt-FastCalc.spec
index 3db921f..d301abb 100644
--- a/perl-Math-BigInt-FastCalc.spec
+++ b/perl-Math-BigInt-FastCalc.spec
@@ -1,5 +1,5 @@
 Name:         perl-Math-BigInt-FastCalc
-Version:      0.5014
+Version:      0.5018
 Release:      1
 Summary:      Math::BigInt::Calc with some XS for more speed
 License:      GPL+ or Artistic
@@ -8,7 +8,7 @@ Source0:      https://cpan.metacpan.org/authors/id/P/PJ/PJACKLAM/Math-BigInt-Fas
 
 BuildRequires:perl-generators perl-interpreter perl-devel gcc
 BuildRequires:perl(ExtUtils::MakeMaker) >= 6.76 perl(Test::More) >= 0.88
-BuildRequires:perl(Math::BigInt) >= 1.999838 perl(Math::BigFloat)
+BuildRequires:perl(Math::BigInt) >= 2.0030.01
 
 Requires:     perl(:MODULE_COMPAT_%(perl -V:version | cut -d"'" -f 2))
 Conflicts:    perl < 4:5.22.0-348
@@ -27,6 +27,15 @@ Requires:  man info
 %description help
 Man page and other related documents for %{name}.
 
+%package tests
+Summary:        Tests for %{name}
+Requires:       %{name} = %{?epoch:%{epoch}:}%{version}-%{release}
+Requires:       perl-Test-Harness
+Requires:       perl(Math::BigInt) >= 2.0030.01
+
+%description tests
+Tests from %{name}. Execute them with "%{_libexecdir}/%{name}/test".
+
 %prep
 %autosetup -n  Math-BigInt-FastCalc-%{version} -p1 
 
@@ -38,6 +47,16 @@ perl Makefile.PL INSTALLDIRS=vendor NO_PERLLOCAL=1 NO_PACKLIST=1 OPTIMIZE="%{opt
 %make_install
 %{_fixperms} -c %{buildroot}
 
+# Install tests
+mkdir -p %{buildroot}%{_libexecdir}/%{name}
+cp -a t %{buildroot}%{_libexecdir}/%{name}
+rm %{buildroot}%{_libexecdir}/%{name}/t/00sig.t
+cat > %{buildroot}%{_libexecdir}/%{name}/test << 'EOF'
+#!/bin/sh
+cd %{_libexecdir}/%{name} && exec prove -I . -j "$(getconf _NPROCESSORS_ONLN)"
+EOF
+chmod +x %{buildroot}%{_libexecdir}/%{name}/test
+
 %check
 unset AUTHOR_TESTING RELEASE_TESTING
 make test
@@ -61,7 +80,13 @@ make test
 %doc CHANGES TODO 
 %{_mandir}/*/*
 
+%files tests
+%{_libexecdir}/%{name}
+
 %changelog
+* Fri Jan 19 2024 wangjiang <wangjiang37@h-partners.com> - 0.5018-1
+- upgrade version to 0.5018
+
 * Fri Jul 28 2023 wangjiang <wangjiang37@h-partners.com> - 0.5014-1
 - upgrade version to 0.5014