1 files changed, 3 insertions, 1 deletions
diff --git a/pkgs/development/ocaml-modules/config-file/default.nix b/pkgs/development/ocaml-modules/config-file/default.nix
index c408d1a392f..b9dde0e6425 100644
--- a/pkgs/development/ocaml-modules/config-file/default.nix
+++ b/pkgs/development/ocaml-modules/config-file/default.nix
@@ -9,7 +9,9 @@ stdenv.mkDerivation rec {
     sha256 = "1b02yxcnsjhr05ssh2br2ka4hxsjpdw34ldl3nk33wfnkwk7g67q";
   };
 
-  buildInputs = [ ocaml findlib camlp4 ];
+  nativeBuildInputs = [ ocaml findlib camlp4 ];
+
+  strictDeps = true;
 
   createFindlibDestdir = true;