diff --git a/pkgs/development/python-modules/argparse-addons/default.nix b/pkgs/development/python-modules/argparse-addons/default.nix
index 5c02a127ad94..20e119b5b01c 100644
--- a/pkgs/development/python-modules/argparse-addons/default.nix
+++ b/pkgs/development/python-modules/argparse-addons/default.nix
@@ -2,19 +2,24 @@
   lib,
   buildPythonPackage,
   fetchPypi,
+  setuptools,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "argparse-addons";
   version = "0.12.0";
-  format = "setuptools";
+  pyproject = true;
+
+  __structuredAttrs = true;
 
   src = fetchPypi {
     pname = "argparse_addons";
-    inherit version;
+    inherit (finalAttrs) version;
     hash = "sha256-YyKg3NcGiH52MI0jE21bhtoOq3WigtxklnAdEhC0YK8=";
   };
 
+  build-system = [ setuptools ];
+
   pythonImportsCheck = [ "argparse_addons" ];
 
   meta = {
@@ -24,4 +29,4 @@ buildPythonPackage rec {
     maintainers = [
     ];
   };
-}
+})