diff --git a/ocaml-fileutils.spec b/ocaml-fileutils.spec
index 96ccfa1..c3a6277 100644
--- a/ocaml-fileutils.spec
+++ b/ocaml-fileutils.spec
@@ -3,7 +3,7 @@
 
 Name:           ocaml-fileutils
 Version:        0.4.0
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        OCaml library for common file and filename operations
 
 Group:          Development/Libraries
@@ -99,6 +99,9 @@ rm -rf $RPM_BUILD_ROOT
 
 
 %changelog
+* Wed Jan 05 2011 Richard W.M. Jones <rjones@redhat.com> - 0.4.0-4
+- Rebuild for OCaml 3.12 (http://fedoraproject.org/wiki/Features/OCaml3.12).
+
 * Wed Dec 30 2009 Richard W.M. Jones <rjones@redhat.com> - 0.4.0-3
 - Rebuild for OCaml 3.11.2.