diff --git a/pkgs/development/python-modules/voluptuous-stubs/default.nix b/pkgs/development/python-modules/voluptuous-stubs/default.nix
index 27a2f5e2195a..346e4e56599a 100644
--- a/pkgs/development/python-modules/voluptuous-stubs/default.nix
+++ b/pkgs/development/python-modules/voluptuous-stubs/default.nix
@@ -3,18 +3,21 @@
   buildPythonPackage,
   fetchPypi,
   mypy,
+  setuptools,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "voluptuous-stubs";
   version = "0.1.1";
-  format = "setuptools";
+  pyproject = true;
 
   src = fetchPypi {
-    inherit pname version;
+    inherit (finalAttrs) pname version;
     hash = "sha256-cPscCIJC8g4RAjJStWSM13+DH2ks2RDI+XE8wTXPjMg=";
   };
 
+  build-system = [ setuptools ];
+
   nativeBuildInputs = [ mypy ];
 
   pythonImportsCheck = [ "voluptuous-stubs" ];
@@ -27,4 +30,4 @@ buildPythonPackage rec {
     license = lib.licenses.mit;
     maintainers = with lib.maintainers; [ hexa ];
   };
-}
+})