diff --git a/pkgs/development/python-modules/cwlformat/default.nix b/pkgs/development/python-modules/cwlformat/default.nix
index f9a56ad49870..1144d815b03b 100644
--- a/pkgs/development/python-modules/cwlformat/default.nix
+++ b/pkgs/development/python-modules/cwlformat/default.nix
@@ -6,12 +6,13 @@
   pytestCheckHook,
   pythonOlder,
   ruamel-yaml,
+  setuptools,
 }:
 
 buildPythonPackage rec {
   pname = "cwlformat";
   version = "2022.02.18";
-  format = "setuptools";
+  pyproject = true;
 
   disabled = pythonOlder "3.8";
 
@@ -31,12 +32,19 @@ buildPythonPackage rec {
     })
   ];
 
-  propagatedBuildInputs = [ ruamel-yaml ];
+  build-system = [ setuptools ];
+
+  dependencies = [ ruamel-yaml ];
 
   nativeCheckInputs = [ pytestCheckHook ];
 
   pythonImportsCheck = [ "cwlformat" ];
 
+  disabledTests = [
+    # Test compares output
+    "test_formatting_battery"
+  ];
+
   meta = with lib; {
     description = "Code formatter for CWL";
     homepage = "https://github.com/rabix/cwl-format";