diff --git a/pkgs/development/python-modules/azure-keyvault-nspkg/default.nix b/pkgs/development/python-modules/azure-keyvault-nspkg/default.nix
index 950582b9d13b..8880107a9047 100644
--- a/pkgs/development/python-modules/azure-keyvault-nspkg/default.nix
+++ b/pkgs/development/python-modules/azure-keyvault-nspkg/default.nix
@@ -2,23 +2,28 @@
   buildPythonPackage,
   fetchPypi,
   lib,
+  setuptools,
 
   # pythonPackages
   azure-nspkg,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "azure-keyvault-nspkg";
   version = "1.0.0";
-  format = "setuptools";
+  pyproject = true;
+
+  __structuredAttrs = true;
 
   src = fetchPypi {
-    inherit pname version;
+    inherit (finalAttrs) pname version;
     extension = "zip";
-    sha256 = "0hdnd6124hx7s16z1pssmq5m5mqqqz8s38ixl9aayv4wmf5bhs5c";
+    hash = "sha256-rGi4iqucbK9Uoj2iodHHGNdSC65a3/BN0KdDIoJptkE=";
   };
 
-  propagatedBuildInputs = [ azure-nspkg ];
+  build-system = [ setuptools ];
+
+  dependencies = [ azure-nspkg ];
 
   # Just a namespace package, no tests exist:
   #   https://github.com/Azure/azure-sdk-for-python/blob/master/sdk/keyvault/tests.yml
@@ -30,4 +35,4 @@ buildPythonPackage rec {
     license = lib.licenses.mit;
     maintainers = with lib.maintainers; [ kamadorueda ];
   };
-}
+})