1 files changed, 3 insertions, 1 deletions
diff --git a/nixpkgs/pkgs/development/ocaml-modules/sosa/default.nix b/nixpkgs/pkgs/development/ocaml-modules/sosa/default.nix
index 1605a15bea8e..141e2a50193d 100644
--- a/nixpkgs/pkgs/development/ocaml-modules/sosa/default.nix
+++ b/nixpkgs/pkgs/development/ocaml-modules/sosa/default.nix
@@ -17,7 +17,9 @@ stdenv.mkDerivation rec {
     sha256 = "053hdv6ww0q4mivajj4iyp7krfvgq8zajq9d8x4mia4lid7j0dyk";
   };
 
-  buildInputs = [ ocaml ocamlbuild findlib ];
+  nativeBuildInputs = [ ocaml ocamlbuild findlib ];
+
+  strictDeps = true;
 
   buildPhase = "make build";