diff --git a/ocaml-fileutils.spec b/ocaml-fileutils.spec
index 0078ee2..668e940 100644
--- a/ocaml-fileutils.spec
+++ b/ocaml-fileutils.spec
@@ -3,7 +3,7 @@
 
 Name:           ocaml-fileutils
 Version:        0.4.0
-Release:        5%{?dist}
+Release:        6%{?dist}
 Summary:        OCaml library for common file and filename operations
 
 Group:          Development/Libraries
@@ -99,6 +99,9 @@ rm -rf $RPM_BUILD_ROOT
 
 
 %changelog
+* Fri Jan 06 2012 Richard W.M. Jones <rjones@redhat.com> - 0.4.0-6
+- Rebuild for OCaml 3.12.1.
+
 * Tue Feb 08 2011 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 0.4.0-5
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_15_Mass_Rebuild