diff --git a/ocaml-labltk.spec b/ocaml-labltk.spec
index 37cec03..8f4ea17 100644
--- a/ocaml-labltk.spec
+++ b/ocaml-labltk.spec
@@ -6,7 +6,7 @@
 
 Name:          ocaml-labltk
 Version:       8.06.4
-Release:       3%{?dist}
+Release:       4%{?dist}
 
 Summary:       Tcl/Tk interface for OCaml
 
@@ -108,6 +108,9 @@ install -m 0644 camltk/*.o $RPM_BUILD_ROOT%{_libdir}/ocaml/labltk
 
 
 %changelog
+* Thu Apr 26 2018 Richard W.M. Jones <rjones@redhat.com> - 8.06.4-4
+- OCaml 4.07.0-beta2 rebuild.
+
 * Thu Feb 08 2018 Fedora Release Engineering <releng@fedoraproject.org> - 8.06.4-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild