diff --git a/ocaml-labltk.spec b/ocaml-labltk.spec
index 60a711e..5fb9fda 100644
--- a/ocaml-labltk.spec
+++ b/ocaml-labltk.spec
@@ -10,7 +10,7 @@ ExcludeArch: %{ix86}
 
 Name:          ocaml-labltk
 Version:       8.06.15
-Release:       3%{?dist}
+Release:       4%{?dist}
 
 Summary:       Tcl/Tk interface for OCaml
 
@@ -134,10 +134,13 @@ sed 's/8\.06\.6/%{version}/' support/META > \
 
 
 %changelog
+* Mon Oct 13 2025 Richard W.M. Jones <rjones@redhat.com> - 8.06.15-4
+- OCaml 5.4.0 rebuild
+
 * Thu Jul 24 2025 Fedora Release Engineering <releng@fedoraproject.org> - 8.06.15-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_43_Mass_Rebuild
 
-* Fri Jul 11 2025 Jerry James  <loganjerry@gmail.com> - 8.06.15-2
+* Fri Jul 11 2025 Jerry James <loganjerry@gmail.com> - 8.06.15-2
 - Rebuild to fix OCaml dependencies
 
 * Mon Feb 03 2025 Richard W.M. Jones <rjones@redhat.com> - 8.06.15-1