diff --git a/units.spec b/units.spec
index 658bdb4..9dbdaf0 100644
--- a/units.spec
+++ b/units.spec
@@ -1,10 +1,10 @@
 Summary: A utility for converting amounts from one unit to another
 Name: units
 Version: 2.22
-Release: 4%{?dist}
+Release: 5%{?dist}
 Source: https://ftp.gnu.org/gnu/units/%{name}-%{version}.tar.gz
 URL: https://www.gnu.org/software/units/units.html
-License: GPLv3+
+License: GPL-3.0-or-later
 BuildRequires: bison
 BuildRequires: gcc
 BuildRequires: make
@@ -52,6 +52,9 @@ make check
 %{_mandir}/man1/*
 
 %changelog
+* Thu Apr 13 2023 Lukáš Zaoral <lzaoral@redhat.com> - 2.22-5
+- migrate to SPDX license format
+
 * Sat Jan 21 2023 Fedora Release Engineering <releng@fedoraproject.org> - 2.22-4
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild