diff --git a/ocaml-migrate-parsetree.spec b/ocaml-migrate-parsetree.spec
index b721170..5e99f3f 100644
--- a/ocaml-migrate-parsetree.spec
+++ b/ocaml-migrate-parsetree.spec
@@ -1,6 +1,6 @@
 Name:           ocaml-migrate-parsetree
 Version:        1.5.0
-Release:        5%{?dist}
+Release:        6%{?dist}
 Summary:        Convert OCaml parsetrees between different major versions
 
 License:        LGPLv2+ with exceptions
@@ -77,6 +77,9 @@ find %{buildroot} -name '*.cmxs' -exec chmod 0755 {} \;
 
 
 %changelog
+* Fri Apr 03 2020 Richard W.M. Jones <rjones@redhat.com> - 1.5.0-6
+- Update all OCaml dependencies for RPM 4.16.
+
 * Wed Feb 26 2020 Richard W.M. Jones <rjones@redhat.com> - 1.5.0-5
 - OCaml 4.10.0 final.