diff --git a/.gitignore b/.gitignore
index 1cc985f..f60beb7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,4 @@
 /bignum-0.60.tar.gz
 /bignum-0.62.tar.gz
 /bignum-0.63.tar.gz
+/bignum-0.64.tar.gz
diff --git a/perl-bignum.spec b/perl-bignum.spec
index 84df108..b2a4bc9 100644
--- a/perl-bignum.spec
+++ b/perl-bignum.spec
@@ -1,5 +1,5 @@
 Name:           perl-bignum
-Version:        0.63
+Version:        0.64
 Release:        1%{?dist}
 Summary:        Transparent big number support for Perl
 License:        GPL+ or Artistic
@@ -16,7 +16,7 @@ BuildRequires:  perl(strict)
 BuildRequires:  perl(warnings)
 # Run-time:
 BuildRequires:  perl(:VERSION) >= 5.10
-BuildRequires:  perl(Carp)
+BuildRequires:  perl(Carp) >= 1.22
 BuildRequires:  perl(constant)
 BuildRequires:  perl(Exporter)
 BuildRequires:  perl(Math::BigFloat)
@@ -29,15 +29,19 @@ BuildRequires:  perl(overload)
 BuildRequires:  perl(Test::More) >= 0.88
 # Optional tests:
 # Module::Signature not used and not helpful
+BuildRequires:  perl(Math::BigInt::GMP)
+# Math::BigInt::Pari not package yet
 # Socket not used
 Requires:       perl(:MODULE_COMPAT_%(eval "`perl -V:version`"; echo $version))
-Requires:       perl(Carp)
+Requires:       perl(Carp) >= 1.22
 Requires:       perl(Math::BigInt) >= 1.999825
 Requires:       perl(Math::BigRat) >= 0.2618
 Conflicts:      perl < 4:5.22.0-348
 
 # Remove under-specified dependencies
 %global __requires_exclude %{?__requires_exclude:%{__requires_exclude}|}^perl\\(Math::BigInt\\)$
+%global __requires_exclude %{__requires_exclude}|^perl\\(Math::BigRat\\)$
+%global __requires_exclude %{__requires_exclude}|^perl\\(Carp\\)$
 
 %description
 This package attempts to make it easier to write scripts that use BigInts and
@@ -100,6 +104,9 @@ make test
 %{_libexecdir}/%{name}
 
 %changelog
+* Mon Jan 03 2022 Jitka Plesnikova <jplesnik@redhat.com> - 0.64-1
+- 0.64 bump
+
 * Sun Oct 10 2021 Jitka Plesnikova <jplesnik@redhat.com> - 0.63-1
 - 0.63 bump
 
diff --git a/sources b/sources
index d9786e4..badaf45 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (bignum-0.63.tar.gz) = 097af7018891b0cc5c12ae98b81c2fe9c1f4bdce4f02de6447557dce9e1b59d3aefc5a307d370b455bf85db739b6bb1c4fa27b9f6163953a0122c2373c0e6077
+SHA512 (bignum-0.64.tar.gz) = a9fdf39ae2b7ebe12a579e884d730dd564e5be94906a2642241ca992351db3e1e654661d9d25974fdd2eeff7e19465f091fdf148785823fbac65d56805e160a5