diff --git a/z3.spec b/z3.spec
index 1c1163b..dcb57a9 100644
--- a/z3.spec
+++ b/z3.spec
@@ -13,7 +13,7 @@
 
 Name:           z3
 Version:        4.12.4
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        Satisfiability Modulo Theories (SMT) solver
 
 License:        MIT
@@ -309,6 +309,9 @@ cd -
 %{python3_sitelib}/z3/
 
 %changelog
+* Tue Dec 12 2023 Richard W.M. Jones <rjones@redhat.com> - 4.12.4-2
+- OCaml 5.1.1 rebuild for Fedora 40
+
 * Sat Dec  9 2023 Jerry James <loganjerry@gmail.com> - 4.12.4-1
 - Version 4.12.4
 - Drop upstreamed patches: python, stdint, escapes