diff --git a/ocaml-findlib.spec b/ocaml-findlib.spec
index 602118e..43eb350 100644
--- a/ocaml-findlib.spec
+++ b/ocaml-findlib.spec
@@ -44,6 +44,7 @@ BuildRequires:  m4
 BuildRequires:  ncurses-devel
 BuildRequires:  ocaml >= 4.02.0
 BuildRequires:  ocaml-camlp4-devel >= 4.02.0
+BuildRequires:  ocaml-ocamlbuild
 BuildRequires:  ocaml-ocamldoc
 BuildRequires:  ocaml-rpm-macros >= 4.02.1