diff --git a/perl-bignum.spec b/perl-bignum.spec
index 6aa8f95..b8a1c88 100644
--- a/perl-bignum.spec
+++ b/perl-bignum.spec
@@ -1,6 +1,6 @@
 Name:      perl-bignum
 Version:   0.66
-Release:   2
+Release:   3
 Summary:   transparent big number support
 License:   GPL-1.0-or-later or Artistic-1.0-perl
 URL:       https://metacpan.org/release/bignum
@@ -14,7 +14,7 @@ BuildRequires: perl(Test::More) >= 0.88
 
 Requires:      perl(:MODULE_COMPAT_%(perl -V:version | cut -d"'" -f 2)) perl(Carp) >= 1.22
 #for test
-Requires:      perl(Math::BigRat) >= 0.2623 perl(Math::BigInt) >= 1.999830
+Requires:      perl(Math::BigInt) >= 2.003002
 
 %description
 Three modules provided by this package:
@@ -49,6 +49,9 @@ make test TEST_VERBOSE=1
 %{_mandir}/man3/*
 
 %changelog
+* Tue Feb 11 2025 hugel <gengqihu2@h-partners.com> - 0.66-3
+- remove requires of the perl-Math-BigRat
+
 * Tue Aug 13 2024 gengqihu <gengqihu2@h-partners.com> - 0.66-2
 - License info rectification