diff --git a/pkgs/development/python-modules/kneed/default.nix b/pkgs/development/python-modules/kneed/default.nix
index 0852d12a7340..1148522ab5a8 100644
--- a/pkgs/development/python-modules/kneed/default.nix
+++ b/pkgs/development/python-modules/kneed/default.nix
@@ -7,12 +7,13 @@
   scipy,
   matplotlib,
   pytestCheckHook,
+  pytest-cov-stub,
 }:
 
 buildPythonPackage rec {
   pname = "kneed";
   version = "0.8.5";
-  format = "pyproject";
+  pyproject = true;
 
   src = fetchFromGitHub {
     owner = "arvkevi";
@@ -21,20 +22,16 @@ buildPythonPackage rec {
     sha256 = "sha256-oakP6NkdvTzMZcoXS6cKNsRo//K+CoPLlhvbQLGij00=";
   };
 
-  postPatch = ''
-    substituteInPlace pytest.ini \
-      --replace "--cov=kneed" ""
-  '';
+  build-system = [ hatchling ];
 
-  nativeBuildInputs = [ hatchling ];
-
-  propagatedBuildInputs = [
+  dependencies = [
     numpy
     scipy
   ];
 
   checkInputs = [
     pytestCheckHook
+    pytest-cov-stub
     matplotlib
   ];