diff --git a/rubygem-clutter-gstreamer.spec b/rubygem-clutter-gstreamer.spec
index e7157a2..b77c54a 100644
--- a/rubygem-clutter-gstreamer.spec
+++ b/rubygem-clutter-gstreamer.spec
@@ -7,7 +7,9 @@ Version:	4.1.2
 Release:	1%{?dist}
 
 Summary:	Ruby binding of Clutter-GStreamer
-License:	LGPLv2+
+# SPDX confirmed
+# LGPL-2.1-or-later: gemspec
+License:	LGPL-2.1-or-later
 URL:		http://ruby-gnome2.sourceforge.jp/
 Source0:	https://rubygems.org/gems/%{gem_name}-%{version}.gem
 # https://raw.githubusercontent.com/ruby-gnome2/ruby-gnome2/master/COPYING.LIB