diff --git a/ocaml-cppo.spec b/ocaml-cppo.spec
index ad3d662..bb74657 100644
--- a/ocaml-cppo.spec
+++ b/ocaml-cppo.spec
@@ -5,7 +5,7 @@
 
 Name:           ocaml-cppo
 Version:        1.6.6
-Release:        13%{?dist}
+Release:        14%{?dist}
 Summary:        Equivalent of the C preprocessor for OCaml programs
 
 License:        BSD
@@ -69,6 +69,9 @@ make test
 
 
 %changelog
+* Mon Oct 04 2021 Richard W.M. Jones <rjones@redhat.com> - 1.6.6-14
+- OCaml 4.13.1 build
+
 * Thu Jul 22 2021 Fedora Release Engineering <releng@fedoraproject.org> - 1.6.6-13
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_35_Mass_Rebuild