diff --git a/pkgs/development/python-modules/docopt-ng/default.nix b/pkgs/development/python-modules/docopt-ng/default.nix
index a6297780a83a..cdeda778e0dc 100644
--- a/pkgs/development/python-modules/docopt-ng/default.nix
+++ b/pkgs/development/python-modules/docopt-ng/default.nix
@@ -1,17 +1,24 @@
 { lib
 , buildPythonPackage
 , fetchPypi
+, pdm-backend
 }:
 
 buildPythonPackage rec {
   pname = "docopt-ng";
-  version = "0.8.1";
+  version = "0.9.0";
+  format = "pyproject";
 
   src = fetchPypi {
-    inherit pname version;
-    hash = "sha256-6mphooj8hk7uayLW/iiqIC1Z/Ib60F8W/145zE6n9uM=";
+    pname = "docopt_ng";
+    inherit version;
+    hash = "sha256-kcbaELW7by6eJTRYKfuCeMeK8Bn2/ECIetSbBgSDsdc=";
   };
 
+  nativeBuildInputs = [
+    pdm-backend
+  ];
+
   pythonImportsCheck = [ "docopt" ];
   doCheck = false; # no tests in the package