diff --git a/ocaml-ocamlgraph.spec b/ocaml-ocamlgraph.spec
index d108934..d8b7e01 100644
--- a/ocaml-ocamlgraph.spec
+++ b/ocaml-ocamlgraph.spec
@@ -17,7 +17,7 @@
 
 Name:           ocaml-ocamlgraph
 Version:        1.8.3
-Release:        4%{?dist}
+Release:        5%{?dist}
 Summary:        OCaml library for arc and node graphs
 
 Group:          Development/Libraries
@@ -132,6 +132,9 @@ cp -p doc/* dox-devel/API
 
 
 %changelog
+* Wed Oct 02 2013 Richard W.M. Jones <rjones@redhat.com> - 1.8.3-5
+- Rebuild for ocaml-lablgtk 2.18.
+
 * Sat Sep 14 2013 Richard W.M. Jones <rjones@redhat.com> - 1.8.3-4
 - Rebuild for OCaml 4.01.0.