diff --git a/pkgs/development/python-modules/mdformat/default.nix b/pkgs/development/python-modules/mdformat/default.nix
index 6cfd287304a6..29f62b9f6893 100644
--- a/pkgs/development/python-modules/mdformat/default.nix
+++ b/pkgs/development/python-modules/mdformat/default.nix
@@ -24,9 +24,9 @@ buildPythonPackage rec {
     hash = "sha256-t2yx8cIq8es3XOc2nbHPKjUUium5+RPZuD8oNWZxVV0=";
   };
 
-  nativeBuildInputs = [ setuptools ];
+  build-system = [ setuptools ];
 
-  propagatedBuildInputs =
+  dependencies =
     [ markdown-it-py ]
     ++ lib.optionals (pythonOlder "3.11") [ tomli ]
     ++ lib.optionals (pythonOlder "3.10") [ importlib-metadata ];