diff --git a/pkgs/development/python-modules/oldest-supported-numpy/default.nix b/pkgs/development/python-modules/oldest-supported-numpy/default.nix
index a7b99614aef8..5d6e11c34daf 100644
--- a/pkgs/development/python-modules/oldest-supported-numpy/default.nix
+++ b/pkgs/development/python-modules/oldest-supported-numpy/default.nix
@@ -25,10 +25,11 @@ buildPythonPackage rec {
       --replace 'numpy==' 'numpy>='
   '';
 
-  nativeBuildInputs = [
+  propagatedBuildInputs = [
     numpy
   ];
 
+  # package has no tests
   doCheck = false;
 
   meta = with lib; {