diff --git a/.gitignore b/.gitignore
index 133c321..4731a41 100644
--- a/.gitignore
+++ b/.gitignore
@@ -24,3 +24,4 @@
 /Math-BigInt-1.999809.tar.gz
 /Math-BigInt-1.999810.tar.gz
 /Math-BigInt-1.999811.tar.gz
+/Math-BigInt-1.999812.tar.gz
diff --git a/perl-Math-BigInt.spec b/perl-Math-BigInt.spec
index 8b43c0e..07a75ca 100644
--- a/perl-Math-BigInt.spec
+++ b/perl-Math-BigInt.spec
@@ -1,21 +1,15 @@
-# Run optional test
-%if ! (0%{?rhel})
-%bcond_without perl_Math_BigInt_enables_optional_test
-%else
-%bcond_with perl_Math_BigInt_enables_optional_test
-%endif
-
 Name:           perl-Math-BigInt
 Epoch:          1
-%global cpan_version 1.999811
+%global cpan_version 1.999812
 # Keep 4-digit version to compete with perl.spec
 Version:        %(echo %{cpan_version} | sed 's/\(\.....\)/\1./')
-Release:        5%{?dist}
+Release:        1%{?dist}
 Summary:        Arbitrary-size integer and float mathematics
 License:        GPL+ or Artistic
 URL:            http://search.cpan.org/dist/Math-BigInt/
 Source0:        http://www.cpan.org/authors/id/P/PJ/PJACKLAM/Math-BigInt-%{cpan_version}.tar.gz
 BuildArch:      noarch
+BuildRequires:  coreutils
 BuildRequires:  make
 BuildRequires:  perl-interpreter
 BuildRequires:  perl-generators
@@ -39,16 +33,16 @@ BuildRequires:  perl(lib)
 # Module::Signature not used
 # Scalar::Util not used
 # Socket not used
+# Test::CPAN::Changes not used
 BuildRequires:  perl(Test::More) >= 0.94
-%if %{with perl_Math_BigInt_enables_optional_test}
 # Optional tests:
 # This core module must be buildable without non-core modules at bootstrap.
-%if !%{defined perl_bootstrap}
-BuildRequires:  perl(Test::Pod) >= 1.22
-BuildRequires:  perl(Test::Pod::Coverage) >= 1.08
-BuildRequires:  perl(Pod::Coverage) >= 0.18
-%endif
-%endif
+# Test::Pod 1.22 not used
+# Test::Pod::Coverage 1.08 not used
+# Test::Portability::Files not used
+# Test::Vars not used
+# Test::Whitespaces not used
+# Pod::Coverage 0.18 not used
 Requires:       perl(:MODULE_COMPAT_%(eval "`perl -V:version`"; echo $version))
 Requires:       perl(Math::Complex) >= 1.39
 Conflicts:      perl < 4:5.22.0-347
@@ -61,6 +55,9 @@ This provides Perl modules for arbitrary-size integer and float mathematics.
 
 %prep
 %setup -q -n Math-BigInt-%{cpan_version}
+# Remove useless files that are installed, CPAN RT#125108
+rm try.pl
+sed -i -e '/^try\.pl/d' MANIFEST
 
 %build
 perl Makefile.PL INSTALLDIRS=vendor NO_PACKLIST=1
@@ -71,6 +68,7 @@ make pure_install DESTDIR=$RPM_BUILD_ROOT
 %{_fixperms} $RPM_BUILD_ROOT/*
 
 %check
+unset AUTHOR_TESTING RELEASE_TESTING
 make test
 
 %files
@@ -81,6 +79,9 @@ make test
 %{_mandir}/man3/*
 
 %changelog
+* Wed Apr 18 2018 Petr Pisar <ppisar@redhat.com> - 1:1.9998.12-1
+- 1.999812 bump
+
 * Thu Feb 08 2018 Fedora Release Engineering <releng@fedoraproject.org> - 1:1.9998.11-5
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild
 
diff --git a/sources b/sources
index a225ec0..4d77aaf 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (Math-BigInt-1.999811.tar.gz) = 2b9e524911c04cc0396702deae9f87091d075ce815ec3687f2071eb94f33f01f4a47ec28f57711083cfc3ce77f419c348dfce2866a567f054ab77ee4fc7f494f
+SHA512 (Math-BigInt-1.999812.tar.gz) = 97d168a8494ed2ea890a0b65fdf2fd555e9d6c22fb184b3500e9a1dcc0b25c402a8b65bf0ad75d2471894e4b45f7323e449781fb9c6fbf46e7b123e1dfe7e0d9