diff --git a/ocaml-lablgl.spec b/ocaml-lablgl.spec
index 4d24c75..c2bc1d6 100644
--- a/ocaml-lablgl.spec
+++ b/ocaml-lablgl.spec
@@ -2,7 +2,7 @@
 
 Name:           ocaml-lablgl
 Version:        1.04
-Release:        5%{?dist}
+Release:        6%{?dist}
 
 Summary:        LablGL is an OpenGL interface for Objective Caml
 
@@ -144,6 +144,9 @@ rm -rf $RPM_BUILD_ROOT
 
 
 %changelog
+* Fri Jan 06 2012 Richard W.M. Jones <rjones@redhat.com> - 1.04-6
+- Rebuild for OCaml 3.12.1.
+
 * Tue Feb 08 2011 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1.04-5
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_15_Mass_Rebuild