diff --git a/Math-BigInt-1.999827.tar.gz b/Math-BigInt-1.999827.tar.gz
deleted file mode 100644
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diff --git a/Math-BigInt-1.999839.tar.gz b/Math-BigInt-1.999839.tar.gz
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diff --git a/perl-Math-BigInt.spec b/perl-Math-BigInt.spec
index 72ba25e..0c222c9 100644
--- a/perl-Math-BigInt.spec
+++ b/perl-Math-BigInt.spec
@@ -1,11 +1,13 @@
+%global cpan_version 1.999839
 Name:        perl-Math-BigInt
 Epoch:       1
-Version:     1.9998.27
-Release:     2
+# Keep 4-digit version to compete with perl.spec
+Version:     %(echo %{cpan_version} | sed 's/\(\.....\)/\1./')
+Release:     1
 Summary:     Arbitrary size integer/float math package
 License:     GPL+ or Artistic
 URL:         https://metacpan.org/release/Math-BigInt
-Source0:     https://cpan.metacpan.org/authors/id/P/PJ/PJACKLAM/Math-BigInt-1.999827.tar.gz
+Source0:     https://cpan.metacpan.org/authors/id/P/PJ/PJACKLAM/Math-BigInt-%{cpan_version}.tar.gz
 BuildArch:   noarch
 
 BuildRequires:perl-generators perl-interpreter perl(ExtUtils::MakeMaker) >= 6.76 perl(Test::More) >= 0.94
@@ -21,7 +23,7 @@ provided for Perl operators.
 %package_help
 
 %prep
-%autosetup -n Math-BigInt-1.999827 -p1
+%autosetup -n Math-BigInt-%{cpan_version} -p1
 
 %build
 perl Makefile.PL INSTALLDIRS=vendor NO_PERLLOCAL=1 NO_PACKLIST=1
@@ -55,6 +57,9 @@ make test
 %{_mandir}/*/*
 
 %changelog
+* Wed Jul 26 2023 wangjiang <wangjiang37@h-partners.com> - 1:1.9998.39-1
+- upgrade version to 1.999839
+
 * Tue Oct 25 2022 wangjiang <wangjiang37@h-partners.com> - 1:1.9998.27-2
 - Rebuild for next release