diff --git a/pkgs/development/python-modules/pykka/default.nix b/pkgs/development/python-modules/pykka/default.nix
index 209624aa801f..de877d4e3442 100644
--- a/pkgs/development/python-modules/pykka/default.nix
+++ b/pkgs/development/python-modules/pykka/default.nix
@@ -3,30 +3,25 @@
   buildPythonPackage,
   pythonOlder,
   fetchFromGitHub,
-  poetry-core,
+  hatchling,
   pydantic,
   pytestCheckHook,
   pytest-mock,
-  typing-extensions,
 }:
 
 buildPythonPackage rec {
   pname = "pykka";
-  version = "4.1.1";
-  format = "pyproject";
-
-  disabled = pythonOlder "3.8";
+  version = "4.2.0";
+  pyproject = true;
 
   src = fetchFromGitHub {
     owner = "jodal";
     repo = "pykka";
     tag = "v${version}";
-    hash = "sha256-n9TgXcmUEIQdqtrY+9T+EtPys+7OzXCemRwNPj1xPDw=";
+    hash = "sha256-cxW6xKG0x7pPXvCanh0ZNMYRSdnCf8JrnJbjYgDUQSI=";
   };
 
-  build-system = [ poetry-core ];
-
-  dependencies = lib.optionals (pythonOlder "3.10") [ typing-extensions ];
+  build-system = [ hatchling ];
 
   nativeCheckInputs = [
     pydantic