diff --git a/ocaml-omake.spec b/ocaml-omake.spec
index b09554a..111cbad 100644
--- a/ocaml-omake.spec
+++ b/ocaml-omake.spec
@@ -1,6 +1,6 @@
 Name:           ocaml-omake
 Version:        0.10.3
-Release:        20%{?dist}
+Release:        21%{?dist}
 Summary:        Build system with automated dependency analysis
 License:        LGPLv2+ with exceptions and GPLv2+ and BSD
 
@@ -65,6 +65,9 @@ make install \
 
 
 %changelog
+* Thu Apr 02 2020 Richard W.M. Jones <rjones@redhat.com> - 0.10.3-21
+- Update all OCaml dependencies for RPM 4.16.
+
 * Wed Feb 26 2020 Richard W.M. Jones <rjones@redhat.com> - 0.10.3-20
 - OCaml 4.10.0 final.