diff --git a/ocaml-lablgl.spec b/ocaml-lablgl.spec
index ccc2aef..82d27da 100644
--- a/ocaml-lablgl.spec
+++ b/ocaml-lablgl.spec
@@ -2,7 +2,7 @@
 
 Name:           ocaml-lablgl
 Version:        1.02
-Release:	10%{?dist}
+Release:	11%{?dist}
 
 Summary:        LablGL is an OpenGL interface for Objective Caml
 
@@ -26,7 +26,8 @@ BuildRequires:  libXmu-devel
 BuildRequires:  libXxf86vm-devel
 BuildRequires:  mesa-libGL-devel
 BuildRequires:  mesa-libGLU-devel
-Requires:	ocaml-labltk-devel
+BuildRequires:	ocaml-labltk-devel
+BuildRequires:  ocaml-camlp4-devel
 
 %define _use_internal_dependency_generator 0
 %define __find_requires /usr/lib/rpm/ocaml-find-requires.sh
@@ -44,6 +45,7 @@ extension, or with open-source Mesa.
 Summary:        Development files for %{name}
 Group:          Development/Libraries
 Requires:       %{name} = %{version}-%{release}
+Requires:       ocaml-labltk-devel
 
 %description    devel
 The %{name}-devel package contains libraries and signature files for
@@ -144,6 +146,9 @@ rm -rf $RPM_BUILD_ROOT
 
 
 %changelog
+* Sat Jul  7 2007 Gerard Milmeister <gemi@bluewin.ch> - 1.02-11
+- added buildreq ocaml-camlp4-devel
+
 * Fri Jul  6 2007 Gerard Milmeister <gemi@bluewin.ch> - 1.02-10
 - renamed package from lablgl to ocaml-lablgl