diff --git a/guestfs-tools.spec b/guestfs-tools.spec
index afac864..f88613e 100644
--- a/guestfs-tools.spec
+++ b/guestfs-tools.spec
@@ -26,7 +26,7 @@
 Summary:       Tools to access and modify virtual machine disk images
 Name:          guestfs-tools
 Version:       1.51.4
-Release:       1%{?dist}
+Release:       2%{?dist}
 License:       GPL-2.0-or-later AND LGPL-2.0-or-later
 
 # Build only for architectures that have a kernel
@@ -405,6 +405,9 @@ end
 
 
 %changelog
+* Thu Oct 05 2023 Richard W.M. Jones <rjones@redhat.com> - 1.51.4-2
+- OCaml 5.1 rebuild for Fedora 40
+
 * Thu Jul 20 2023 Richard W.M. Jones <rjones@redhat.com> - 1.51.4-1
 - New development version 1.51.4