diff --git a/tss2.spec b/tss2.spec
index 7e46aaf..8ba0e54 100644
--- a/tss2.spec
+++ b/tss2.spec
@@ -7,7 +7,7 @@
 
 Name:		tss2
 Version:	1331
-Release:	4%{?dist}
+Release:	5%{?dist}
 Summary:	IBM's TCG Software Stack (TSS) for TPM 2.0 and related utilities
 
 License:	BSD
@@ -47,7 +47,7 @@ order to build TSS 2.0 applications.
 pushd utils
 CCFLAGS="%{optflags}" \
 LNFLAGS="%{__global_ldflags}" \
-make -f makefile.fedora %{?_smp_mflags} 
+%{make_build} -f makefile.fedora
 popd
 
 %install
@@ -93,6 +93,10 @@ popd
 %doc ibmtss.doc
 
 %changelog
+* Fri Feb 14 2020 Tom Stellard <tstellar@redhat.com> - 1331-5
+- Use make_build macro
+- https://docs.fedoraproject.org/en-US/packaging-guidelines/#_parallel_make
+
 * Fri Jan 31 2020 Fedora Release Engineering <releng@fedoraproject.org> - 1331-4
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild