diff --git a/ocaml-findlib.spec b/ocaml-findlib.spec
index d10713e..8d91410 100644
--- a/ocaml-findlib.spec
+++ b/ocaml-findlib.spec
@@ -3,7 +3,7 @@
 
 Name:           ocaml-findlib
 Version:        1.1.2pl1
-Release:        12%{?dist}
+Release:        13%{?dist}
 Summary:        Objective CAML package manager and build helper
 
 Group:          Development/Libraries
@@ -15,7 +15,7 @@ ExcludeArch:    ppc64
 
 Patch0:         findlib-camlp4-path.patch
 
-BuildRequires:  ocaml >= 3.10.0
+BuildRequires:  ocaml >= 3.10.0-6
 BuildRequires:  ocaml-camlp4-devel
 BuildRequires:  ocaml-labltk-devel
 BuildRequires:  ocaml-ocamldoc
@@ -30,7 +30,6 @@ BuildRequires:  gawk
 Objective CAML package manager and build helper.
 
 
-
 %package        devel
 Summary:        Development files for %{name}
 Group:          Development/Libraries
@@ -111,6 +110,9 @@ rm -rf $RPM_BUILD_ROOT
 
 
 %changelog
+* Mon Sep  3 2007 Richard W.M. Jones <rjones@redhat.com> - 1.1.2pl1-13
+- Bump version to force rebuild against ocaml -6 release.
+
 * Thu Aug 30 2007 Richard W.M. Jones <rjones@redhat.com> - 1.1.2pl1-12
 - Added BR: gawk.