diff --git a/ocaml-fieldslib.spec b/ocaml-fieldslib.spec
index 51291a3..0c1d515 100644
--- a/ocaml-fieldslib.spec
+++ b/ocaml-fieldslib.spec
@@ -18,7 +18,7 @@ ExcludeArch: %{ix86}
 
 Name:           ocaml-fieldslib
 Version:        0.16.0
-Release:        5%{?dist}
+Release:        6%{?dist}
 Summary:        OCaml record fields as first class values
 
 License:        MIT
@@ -62,6 +62,9 @@ developing applications that use %{name}.
 %files devel -f .ofiles-devel
 
 %changelog
+* Mon Dec 18 2023 Richard W.M. Jones <rjones@redhat.com> - 0.16.0-6
+- OCaml 5.1.1 + s390x code gen fix for Fedora 40
+
 * Tue Dec 12 2023 Richard W.M. Jones <rjones@redhat.com> - 0.16.0-5
 - OCaml 5.1.1 rebuild for Fedora 40