diff --git a/apron.spec b/apron.spec
index 4e9e896..168b8a2 100644
--- a/apron.spec
+++ b/apron.spec
@@ -5,10 +5,12 @@ Version:        0.9.13
 Release:        13%{?dist}
 Summary:        Numerical abstract domain library
 
-# The entire package is LGPLv2+ except newpolka/mf_qsort.c and ppl/*, all of
-# which are GPLv2+.  This means that libpolkaMPQ.so.*, libpolkaRll.so.*, and
-# libap_ppl.so.* are GPLv2+, and the other libraries are all LGPLv2+.
-License:        LGPLv2+ and GPLv2+
+# The entire package is LGPL-2.1-or-later WITH OCaml-LGPL-linking-exception
+# except newpolka/mf_qsort.c and ppl/*, all of which are GPL-2.0-or-later.
+# This means that libpolkaMPQ.so.*, libpolkaRll.so.*, and libap_ppl.so.* are
+# GPL-2.0-or-later, and the other libraries are all LGPL-2.1-or-later WITH
+# OCaml-LGPL-linking-exception.
+License:        LGPL-2.1-or-later WITH OCaml-LGPL-linking-exception AND GPL-2.0-or-later
 URL:            https://antoinemine.github.io/Apron/doc/
 Source0:        https://github.com/antoinemine/%{name}/archive/v%{version}/%{name}-%{version}.tar.gz
 # This patch has not been sent upstream as it is GCC-specific.  Certain
@@ -80,6 +82,7 @@ developing applications that use %{name}.
 
 %package -n     ocaml-%{name}
 Summary:        Ocaml interface to APRON
+License:        LGPL-2.1-or-later WITH OCaml-LGPL-linking-exception
 Requires:       %{name}%{?_isa} = %{version}-%{release}
 
 %description -n ocaml-%{name}
@@ -87,6 +90,7 @@ Ocaml interface to the APRON library.
 
 %package -n     ocaml-%{name}-devel
 Summary:        Development files for the Ocaml interface to APRON
+License:        LGPL-2.1-or-later WITH OCaml-LGPL-linking-exception
 Requires:       ocaml-%{name}%{?_isa} = %{version}-%{release}
 Requires:       %{name}-devel%{?_isa} = %{version}-%{release}
 
@@ -96,6 +100,7 @@ Development files for the Ocaml interface to the APRON library.
 %ifarch %{java_arches}
 %package -n     japron
 Summary:        Java interface to APRON
+License:        LGPL-2.1-or-later WITH OCaml-LGPL-linking-exception
 Requires:       %{name}%{?_isa} = %{version}-%{release}
 Requires:       javapackages-filesystem
 
@@ -252,6 +257,9 @@ test/ctest1
 %endif
 
 %changelog
+* Thu Aug 11 2022 Jerry James <loganjerry@gmail.com> - 0.9.13-13
+- Convert License tag to SPDX
+
 * Wed Jul 20 2022 Fedora Release Engineering <releng@fedoraproject.org> - 0.9.13-13
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_37_Mass_Rebuild