diff --git a/perl-Crypt-OpenSSL-RSA.spec b/perl-Crypt-OpenSSL-RSA.spec
index 1e9e3f7..d4e92de 100644
--- a/perl-Crypt-OpenSSL-RSA.spec
+++ b/perl-Crypt-OpenSSL-RSA.spec
@@ -1,6 +1,6 @@
 Name:           perl-Crypt-OpenSSL-RSA
 Version:        0.31
-Release:        5%{?dist}
+Release:        6%{?dist}
 Summary:        Perl interface to OpenSSL for RSA
 License:        GPL+ or Artistic
 URL:            https://metacpan.org/release/Crypt-OpenSSL-RSA
@@ -41,7 +41,7 @@ Crypt::OpenSSL::RSA - RSA encoding and decoding, using the openSSL libraries
 
 %build
 %{__perl} Makefile.PL INSTALLDIRS=vendor NO_PACKLIST=1
-make %{?_smp_mflags}
+%make_build
 
 %install
 make pure_install DESTDIR=%{buildroot}
@@ -59,6 +59,10 @@ make test
 %{_mandir}/man3/*
 
 %changelog
+* Tue Feb 04 2020 Tom Stellard <tstellar@redhat.com> - 0.31-6
+- Use make_build macro
+- https://docs.fedoraproject.org/en-US/packaging-guidelines/#_parallel_make
+
 * Wed Jan 29 2020 Fedora Release Engineering <releng@fedoraproject.org> - 0.31-5
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild