diff --git a/ocaml-base64.spec b/ocaml-base64.spec
index 9d00fdd..c12df8d 100644
--- a/ocaml-base64.spec
+++ b/ocaml-base64.spec
@@ -5,7 +5,7 @@
 
 Name:           ocaml-base64
 Version:        2.1.2
-Release:        19%{?dist}
+Release:        20%{?dist}
 Summary:        Base64 library for OCaml
 
 License:        ISC
@@ -81,6 +81,9 @@ popd
 
 
 %changelog
+* Fri Dec 06 2019 Richard W.M. Jones <rjones@redhat.com> - 2.1.2-20
+- OCaml 4.09.0 (final) rebuild.
+
 * Fri Aug 16 2019 Richard W.M. Jones <rjones@redhat.com> - 2.1.2-19
 - OCaml 4.08.1 (final) rebuild.