diff --git a/ocaml-ocplib-simplex.spec b/ocaml-ocplib-simplex.spec
index b17ba08..80dc451 100644
--- a/ocaml-ocplib-simplex.spec
+++ b/ocaml-ocplib-simplex.spec
@@ -6,7 +6,7 @@
 
 Name:           ocaml-%{pkgname}
 Version:        0.4
-Release:        11%{?dist}
+Release:        12%{?dist}
 Summary:        Simplex algorithm for solving systems of linear inequalities
 
 # The same exception to clause 6 as provided by ocaml applies to this package.
@@ -81,6 +81,9 @@ make local-tests
 %{_libdir}/ocaml/*/*.mli
 
 %changelog
+* Thu Apr 02 2020 Richard W.M. Jones <rjones@redhat.com> - 0.4-12
+- Update all OCaml dependencies for RPM 4.16.
+
 * Wed Feb 26 2020 Richard W.M. Jones <rjones@redhat.com> - 0.4-11
 - Bump release and rebuild.