diff --git a/pkgs/development/python-modules/traitlets/default.nix b/pkgs/development/python-modules/traitlets/default.nix
index 6df71a041b25..f138489cf2bf 100644
--- a/pkgs/development/python-modules/traitlets/default.nix
+++ b/pkgs/development/python-modules/traitlets/default.nix
@@ -1,27 +1,46 @@
 { lib
 , buildPythonPackage
 , fetchPypi
-, pytestCheckHook
 , pythonOlder
+
+# build-system
 , hatchling
+
+# tests
+, argcomplete
+, pytest-mock
+, pytestCheckHook
 }:
 
 buildPythonPackage rec {
   pname = "traitlets";
-  version = "5.10.0";
+  version = "5.14.0";
   format = "pyproject";
+
   disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-9YTqIJJARm5m6R88gap9AEukz3lJkLDHdZOKFUQhfNE=";
+    hash = "sha256-/NqorEnATfoO0+4zhO9t/bXW83QVAr4kcnlAdnkpZ3I=";
   };
 
-  nativeBuildInputs = [ hatchling ];
+  nativeBuildInputs = [
+    hatchling
+  ];
 
-  nativeCheckInputs = [ pytestCheckHook ];
+  nativeCheckInputs = [
+    argcomplete
+    pytest-mock
+    pytestCheckHook
+  ];
+
+  disabledTestPaths = [
+    # requires mypy-testing
+    "tests/test_typing.py"
+  ];
 
   meta = {
+    changelog = "https://github.com/ipython/traitlets/blob/v${version}/CHANGELOG.md";
     description = "Traitlets Python config system";
     homepage = "https://github.com/ipython/traitlets";
     license = lib.licenses.bsd3;