diff --git a/ocaml-ocamlnet.spec b/ocaml-ocamlnet.spec
index 6ade9b6..fa02d81 100644
--- a/ocaml-ocamlnet.spec
+++ b/ocaml-ocamlnet.spec
@@ -6,7 +6,7 @@
 
 Name:           ocaml-ocamlnet
 Version:        2.2.9
-Release:        20%{?dist}
+Release:        21%{?dist}
 Summary:        Network protocols for OCaml
 
 Group:          Development/Libraries
@@ -26,6 +26,7 @@ BuildRequires:  ocaml-findlib-devel
 BuildRequires:  ocaml-pcre-devel
 BuildRequires:  ocaml-ssl-devel
 BuildRequires:  ocaml-lablgtk-devel
+BuildRequires:  ocaml-labltk-devel
 
 %global __ocaml_requires_opts -i Asttypes -i Outcometree -i Parsetree
 
@@ -238,8 +239,9 @@ rm -rf $RPM_BUILD_ROOT
 
 
 %changelog
-* Wed Jan 05 2011 Richard W.M. Jones <rjones@redhat.com> - 2.2.9-20
+* Wed Jan 05 2011 Richard W.M. Jones <rjones@redhat.com> - 2.2.9-21
 - Rebuild for OCaml 3.12 (http://fedoraproject.org/wiki/Features/OCaml3.12).
+- Missing BR ocaml-labltk-devel.
 
 * Tue Jan  5 2010 Richard W.M. Jones <rjones@redhat.com> - 2.2.9-19
 - {gtk2,openssl,pcre,tcl}-devel BRs have now been pushed down to the