diff --git a/supermin.spec b/supermin.spec
index fc4bb8b..4d0ebb4 100644
--- a/supermin.spec
+++ b/supermin.spec
@@ -26,7 +26,7 @@
 Summary:       Tool for creating supermin appliances
 Name:          supermin
 Version:       5.1.20
-Release:       8%{?dist}
+Release:       9%{?dist}
 License:       GPLv2+
 
 %if 0%{?rhel} >= 7
@@ -121,8 +121,7 @@ from supermin appliances.
 
 %prep
 %if 0%{verify_tarball_signature}
-tmphome="$(mktemp -d)"
-gpgv2 --homedir "$tmphome" --keyring %{SOURCE2} %{SOURCE1} %{SOURCE0}
+%{gpgverify} --keyring='%{SOURCE2}' --signature='%{SOURCE1}' --data='%{SOURCE0}'
 %endif
 %setup -q
 %autopatch -p1
@@ -172,6 +171,9 @@ make check || {
 
 
 %changelog
+* Wed Nov 27 2019 Richard W.M. Jones <rjones@redhat.com> - 5.1.20-9
+- Use gpgverify macro instead of explicit gpgv2 command.
+
 * Wed Jul 31 2019 Richard W.M. Jones <rjones@redhat.com> - 5.1.20-8
 - OCaml 4.08.1 (rc2) rebuild.