diff --git a/perl-Devel-Size.spec b/perl-Devel-Size.spec
index 209cf83..5be4cf3 100644
--- a/perl-Devel-Size.spec
+++ b/perl-Devel-Size.spec
@@ -7,7 +7,7 @@
 
 Name:           perl-Devel-Size
 Version:        0.83
-Release:        4%{?dist}
+Release:        5%{?dist}
 Summary:        Perl extension for finding the memory usage of Perl variables
 License:        GPL+ or Artistic
 URL:            https://metacpan.org/release/Devel-Size
@@ -54,11 +54,12 @@ variable is a hash or an array, use a reference when calling.
 %setup -q -n Devel-Size-%{version}
 
 %build
-perl Makefile.PL INSTALLDIRS=vendor NO_PACKLIST=1 OPTIMIZE="%{optflags}"
-make %{?_smp_mflags}
+perl Makefile.PL INSTALLDIRS=vendor NO_PACKLIST=1 OPTIMIZE="%{optflags}" \
+                 NO_PERLLOCAL=1
+%make_build
 
 %install
-make pure_install DESTDIR=%{buildroot}
+%make_install
 find %{buildroot} -type f -name '*.bs' -size 0 -delete
 %{_fixperms} %{buildroot}/*
 
@@ -72,6 +73,11 @@ make test
 %{_mandir}/man3/*
 
 %changelog
+* Tue Feb 04 2020 Tom Stellard <tstellar@redhat.com> - 0.83-5
+- Spec file cleanups: Use make_build and make_install macros
+- https://docs.fedoraproject.org/en-US/packaging-guidelines/#_parallel_make
+- https://fedoraproject.org/wiki/Perl/Tips#ExtUtils::MakeMake
+
 * Wed Jan 29 2020 Fedora Release Engineering <releng@fedoraproject.org> - 0.83-4
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild