diff --git a/libnbd.spec b/libnbd.spec
index 11838ec..198ac08 100644
--- a/libnbd.spec
+++ b/libnbd.spec
@@ -9,7 +9,7 @@
 
 Name:           libnbd
 Version:        1.19.2
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        NBD client library in userspace
 
 License:        LGPL-2.0-or-later AND BSD-3-Clause
@@ -379,6 +379,9 @@ make %{?_smp_mflags} check || {
 
 
 %changelog
+* Mon Dec 18 2023 Richard W.M. Jones <rjones@redhat.com> - 1.19.2-4
+- OCaml 5.1.1 + s390x code gen fix for Fedora 40
+
 * Thu Dec 14 2023 Richard W.M. Jones <rjones@redhat.com> - 1.19.2-3
 - Fixes for https://github.com/ocaml/ocaml/issues/12820