diff --git a/libnova.spec b/libnova.spec
index fd5a868..4e2ed04 100644
--- a/libnova.spec
+++ b/libnova.spec
@@ -1,8 +1,9 @@
 Name:		libnova
 Version:	0.15.0
-Release:	25%{?dist}
+Release:	26%{?dist}
 Summary:	Libnova is a general purpose astronomy & astrodynamics library
-License:	LGPLv2+
+# Automatically converted from old format: LGPLv2+ - review is highly recommended.
+License:	LicenseRef-Callaway-LGPLv2+
 URL:		http://sourceforge.net/projects/libnova/
 Source0:	http://downloads.sourceforge.net/%{name}/%{name}-%{version}.tar.gz
 BuildRequires:	libtool autoconf automake
@@ -48,6 +49,9 @@ find $RPM_BUILD_ROOT -name '*.la' -delete
 
 
 %changelog
+* Mon Sep 02 2024 Miroslav Suchý <msuchy@redhat.com> - 0.15.0-26
+- convert license to SPDX
+
 * Thu Jul 18 2024 Fedora Release Engineering <releng@fedoraproject.org> - 0.15.0-25
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild