diff --git a/.gitignore b/.gitignore
index 5ef7ea7..2f02d13 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@
 /bignum-0.49.tar.gz
 /bignum-0.50.tar.gz
 /bignum-0.51.tar.gz
+/bignum-0.52.tar.gz
diff --git a/perl-bignum.spec b/perl-bignum.spec
index 226cf0d..7f9aa6e 100644
--- a/perl-bignum.spec
+++ b/perl-bignum.spec
@@ -1,14 +1,16 @@
 Name:           perl-bignum
-Version:        0.51
-Release:        477%{?dist}
+Version:        0.52
+Release:        1%{?dist}
 Summary:        Transparent big number support for Perl
 License:        GPL+ or Artistic
 URL:            https://metacpan.org/release/bignum
 Source0:        https://cpan.metacpan.org/authors/id/P/PJ/PJACKLAM/bignum-%{version}.tar.gz
 BuildArch:      noarch
+BuildRequires:  coreutils
 BuildRequires:  make
 BuildRequires:  perl-generators
 BuildRequires:  perl-interpreter
+BuildRequires:  perl(Config)
 BuildRequires:  perl(ExtUtils::MakeMaker) >= 6.76
 BuildRequires:  perl(strict)
 BuildRequires:  perl(warnings)
@@ -18,27 +20,20 @@ BuildRequires:  perl(Carp)
 BuildRequires:  perl(constant)
 BuildRequires:  perl(Exporter)
 BuildRequires:  perl(Math::BigFloat)
-BuildRequires:  perl(Math::BigInt) >= 1.999812
-BuildRequires:  perl(Math::BigRat) >= 0.12
+BuildRequires:  perl(Math::BigInt) >= 1.999718
+BuildRequires:  perl(Math::BigRat) >= 0.14
 BuildRequires:  perl(overload)
 # Optional run-time:
 # Math::BigInt::Lite not packaged
 # Tests:
-# Algorithm::Combinatorics not used
 BuildRequires:  perl(Test::More) >= 0.88
-# Test::Version not used
 # Optional tests:
 # Module::Signature not used and not helpful
-# Pod::Coverage 0.18 not used
 # Socket not used
-# Test::CPAN::Changes not used
-# Test::Pod 1.22 not used
-# Test::Pod::Coverage 1.08 not used
-# Test::Portability::Files not used
 Requires:       perl(:MODULE_COMPAT_%(eval "`perl -V:version`"; echo $version))
 Requires:       perl(Carp)
-Requires:       perl(Math::BigInt) >= 1.999812
-Requires:       perl(Math::BigRat) >= 0.12
+Requires:       perl(Math::BigInt) >= 1.999718
+Requires:       perl(Math::BigRat) >= 0.14
 Conflicts:      perl < 4:5.22.0-348
 
 # Remove under-specified dependencies
@@ -51,16 +46,21 @@ BigFloats in a transparent way.
 %prep
 %setup -q -n bignum-%{version}
 
+# Correct shebangs
+for F in lib/Math/BigInt/Trace.pm lib/Math/BigFloat/Trace.pm; do
+    perl -MConfig -pi -e 's{\A#!.*perl\b}{$Config{startperl}}' "$F"
+done
+
 %build
-perl Makefile.PL INSTALLDIRS=vendor NO_PACKLIST=1
-make %{?_smp_mflags}
+perl Makefile.PL INSTALLDIRS=vendor NO_PACKLIST=1 NO_PERLLOCAL=1
+%{make_build}
 
 %install
-make pure_install DESTDIR=$RPM_BUILD_ROOT
-%{_fixperms} $RPM_BUILD_ROOT/*
+%{make_install}
+%{_fixperms} %{buildroot}/*
 
 %check
-unset RELEASE_TESTING
+unset TEST_SIGNATURE
 make test
 
 %files
@@ -70,6 +70,9 @@ make test
 %{_mandir}/man3/*
 
 %changelog
+* Mon Jul 12 2021 Jitka Plesnikova <jplesnik@redhat.com> - 0.52-1
+- 0.52 bump
+
 * Fri May 21 2021 Jitka Plesnikova <jplesnik@redhat.com> - 0.51-477
 - Increase release to favour standalone package
 
diff --git a/sources b/sources
index dd39ddf..ae2bfe5 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (bignum-0.51.tar.gz) = 1db18f9ef8c603295b2d5741e5875045bbd43a8c71fb7b25a33927bb6855e407cf78712fee9ffef756daea0567dcc4f1a39a8be7c26863ba78a2dd5ccdaf2608
+SHA512 (bignum-0.52.tar.gz) = e1c3cdf5242a7fa7f362ed55a57cc73854afca2fa5ebf2ec348197edf1fb1c5cd98258ea6cf346220e1051141ae848dd90ed07ab290c4c83dc4e5c24bf0a4ec2