diff --git a/ocaml-fileutils.spec b/ocaml-fileutils.spec
index 210f862..55f22b2 100644
--- a/ocaml-fileutils.spec
+++ b/ocaml-fileutils.spec
@@ -28,6 +28,7 @@ Source0:        ocaml-fileutils-%{version}.tar.xz
 BuildRequires:  ocaml >= 4.00.1
 BuildRequires:  ocaml-rpm-macros >= 4.02.1
 BuildRequires:  ocaml-findlib-devel >= 1.3.3-3
+BuildRequires:  ocaml-ocamlbuild
 BuildRequires:  ocaml-ocamldoc
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 # ocaml autodep start for pkg: ocaml-fileutils