diff --git a/pkgs/development/python-modules/traitlets/default.nix b/pkgs/development/python-modules/traitlets/default.nix
index cb657033ef24..09a4e2d944ac 100644
--- a/pkgs/development/python-modules/traitlets/default.nix
+++ b/pkgs/development/python-modules/traitlets/default.nix
@@ -15,14 +15,14 @@
 
 buildPythonPackage rec {
   pname = "traitlets";
-  version = "5.14.2";
+  version = "5.14.3";
   format = "pyproject";
 
   disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-jN2DwEDat9He6CJnjl9dEAtRT3tysBYVsm/FcYkW/fk=";
+    hash = "sha256-ntBXnTUCyUtLNzKsEgN1zalvkjEUUihH3ks7uYuWtrc=";
   };
 
   nativeBuildInputs = [ hatchling ];