diff --git a/pkgs/development/python-modules/uncompyle6/default.nix b/pkgs/development/python-modules/uncompyle6/default.nix
index 720ff9bba026..e5d9b4bef619 100644
--- a/pkgs/development/python-modules/uncompyle6/default.nix
+++ b/pkgs/development/python-modules/uncompyle6/default.nix
@@ -2,10 +2,9 @@
   lib,
   buildPythonPackage,
   fetchPypi,
-  pythonOlder,
+  setuptools,
   spark-parser,
   xdis,
-  nose,
   pytestCheckHook,
   hypothesis,
   six,
@@ -14,20 +13,23 @@
 buildPythonPackage rec {
   pname = "uncompyle6";
   version = "3.9.2";
-  format = "setuptools";
+  pyproject = true;
 
   src = fetchPypi {
     inherit pname version;
     hash = "sha256-b3CYD/4IpksRS2hxgy/QLYbJkDX4l2qPH4Eh2tb8pCU=";
   };
 
-  propagatedBuildInputs = [
+  build-system = [ setuptools ];
+
+  dependencies = [
     spark-parser
     xdis
   ];
 
+  pythonRelaxDeps = [ "spark-parser" ];
+
   nativeCheckInputs = [
-    nose
     pytestCheckHook
     hypothesis
     six
@@ -35,7 +37,7 @@ buildPythonPackage rec {
 
   # No tests are provided for versions past 3.8,
   # as the project only targets bytecode of versions <= 3.8
-  doCheck = pythonOlder "3.9";
+  doCheck = false;
 
   meta = {
     description = "A bytecode decompiler for Python versions 3.8 and below";