diff --git a/ocaml-calendar.spec b/ocaml-calendar.spec
index d5bb35b..22e2a2c 100644
--- a/ocaml-calendar.spec
+++ b/ocaml-calendar.spec
@@ -3,7 +3,7 @@
 
 Name:           ocaml-calendar
 Version:        2.03.1
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        Objective Caml library for managing dates and times
 
 Group:          Development/Libraries
@@ -13,7 +13,7 @@ Source0:        http://forge.ocamlcore.org/frs/download.php/605/calendar-%{versi
 BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 ExcludeArch:    sparc64 s390 s390x
 
-BuildRequires:  ocaml >= 3.10.1
+BuildRequires:  ocaml >= 3.12.1-3
 BuildRequires:  ocaml-findlib-devel, ocaml-ocamldoc
 BuildRequires:  gawk
 
@@ -83,6 +83,9 @@ rm -rf $RPM_BUILD_ROOT
 
 
 %changelog
+* Sat Apr 28 2012 Richard W.M. Jones <rjones@redhat.com> - 2.03.1-2
+- Bump and rebuild against new OCaml compiler in ARM.
+
 * Fri Jan  6 2012 Richard W.M. Jones <rjones@redhat.com> - 2.03.1-1
 - New upstream version 2.03.1.