diff --git a/compsize.spec b/compsize.spec
index a092648..32b1b53 100644
--- a/compsize.spec
+++ b/compsize.spec
@@ -1,8 +1,9 @@
 Name: compsize
 Version: 1.5
-Release: 9%{?dist}
+Release: 10%{?dist}
 Summary: Utility for measuring compression ratio of files on btrfs
-License: GPLv2+
+# Automatically converted from old format: GPLv2+ - review is highly recommended.
+License: GPL-2.0-or-later
 URL: https://github.com/kilobyte/compsize
 Source: https://github.com/kilobyte/%{name}/archive/v%{version}/%{name}-%{version}.tar.gz
 BuildRequires: gcc
@@ -32,6 +33,9 @@ install -D -m 0644 %{name}.8 %{buildroot}%{_mandir}/man8/%{name}.8
 %{_mandir}/man8/%{name}.8*
 
 %changelog
+* Thu Jul 25 2024 Miroslav Suchý <msuchy@redhat.com> - 1.5-10
+- convert license to SPDX
+
 * Wed Jul 17 2024 Fedora Release Engineering <releng@fedoraproject.org> - 1.5-9
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild