diff --git a/nss.spec b/nss.spec
index 4ac163b..992c111 100644
--- a/nss.spec
+++ b/nss.spec
@@ -299,7 +299,10 @@ export POLICY_FILE="nss.config"
 # location of the policy file
 export POLICY_PATH="/etc/crypto-policies/back-ends"
 
-make -C ./nss
+make %{?_smp_mflags} -C ./nss/lib export
+make %{?_smp_mflags} -C ./nss/lib
+make %{?_smp_mflags} -C ./nss/cmd/lib
+make %{?_smp_mflags} -C ./nss
 
 # build the man pages clean
 pushd ./nss