diff --git a/pkgs/development/python-modules/types-protobuf/default.nix b/pkgs/development/python-modules/types-protobuf/default.nix
index b05bba749eb5..68004378f0b8 100644
--- a/pkgs/development/python-modules/types-protobuf/default.nix
+++ b/pkgs/development/python-modules/types-protobuf/default.nix
@@ -2,21 +2,26 @@
   lib,
   buildPythonPackage,
   fetchPypi,
+  setuptools,
   types-futures,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "types-protobuf";
   version = "6.32.1.20260221";
-  format = "setuptools";
+  pyproject = true;
+
+  __structuredAttrs = true;
 
   src = fetchPypi {
     pname = "types_protobuf";
-    inherit version;
+    inherit (finalAttrs) version;
     hash = "sha256-bV+wYKYWv7B2y7YbSzw5afX8i+xYEPmi9+ZI7ly8v24=";
   };
 
-  propagatedBuildInputs = [ types-futures ];
+  build-system = [ setuptools ];
+
+  dependencies = [ types-futures ];
 
   # Module doesn't have tests
   doCheck = false;
@@ -29,4 +34,4 @@ buildPythonPackage rec {
     license = lib.licenses.asl20;
     maintainers = with lib.maintainers; [ andersk ];
   };
-}
+})