diff --git a/ocaml-findlib.spec b/ocaml-findlib.spec
index 6e81806..d782cb6 100644
--- a/ocaml-findlib.spec
+++ b/ocaml-findlib.spec
@@ -10,7 +10,7 @@
 
 Name:           ocaml-findlib
 Version:        1.6.3
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        Objective CAML package manager and build helper
 License:        BSD
 
@@ -22,7 +22,8 @@ Patch1:         findlib-1.4-add-debug.patch
 
 BuildRequires:  ocaml >= 4.02.0
 BuildRequires:  ocaml-camlp4-devel
-#BuildRequires:  ocaml-labltk-devel
+BuildRequires:  ocaml-labltk-devel
+BuildRequires:  ocaml-ocamlbuild-devel
 BuildRequires:  ocaml-compiler-libs
 BuildRequires:  ocaml-ocamldoc
 BuildRequires:  m4, ncurses-devel
@@ -110,6 +111,9 @@ make install \
 
 
 %changelog
+* Sat Nov 05 2016 Richard W.M. Jones <rjones@redhat.com> - 1.6.3-2
+- Force ocamlbuild and labltk to be installed so findlib creates META for them.
+
 * Fri Nov 04 2016 Richard W.M. Jones <rjones@redhat.com> - 1.6.3-1
 - New upstream version 1.6.3.