diff --git a/ocaml-cppo.spec b/ocaml-cppo.spec
index dc5ccb6..f573087 100644
--- a/ocaml-cppo.spec
+++ b/ocaml-cppo.spec
@@ -5,7 +5,7 @@
 
 Name:           ocaml-cppo
 Version:        1.6.4
-Release:        4%{?dist}
+Release:        5%{?dist}
 Summary:        Equivalent of the C preprocessor for OCaml programs
 
 License:        BSD
@@ -68,6 +68,9 @@ make test
 
 
 %changelog
+* Mon Apr 29 2019 Richard W.M. Jones <rjones@redhat.com> - 1.6.4-5
+- OCaml 4.08.0 (beta 3) rebuild.
+
 * Fri Feb 01 2019 Fedora Release Engineering <releng@fedoraproject.org> - 1.6.4-4
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild