diff --git a/pkgs/development/python-modules/mwxml/default.nix b/pkgs/development/python-modules/mwxml/default.nix
index e48f938344d6..b42e1dfcb175 100644
--- a/pkgs/development/python-modules/mwxml/default.nix
+++ b/pkgs/development/python-modules/mwxml/default.nix
@@ -14,16 +14,17 @@
 
   # tests
   pytestCheckHook,
+  pythonAtLeast,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "mwxml";
-  version = "0.3.6";
+  version = "0.3.8";
   pyproject = true;
 
   src = fetchPypi {
-    inherit pname version;
-    hash = "sha256-WlMYHTAhUq0D7FE/8Yaongx+H8xQx4MwRSoIcsqmOTU=";
+    inherit (finalAttrs) pname version;
+    hash = "sha256-yiIyqX6pMem7JPhbVKSRBYwjwHRXY3LnESRq+scGFuA=";
   };
 
   build-system = [ setuptools ];
@@ -38,10 +39,15 @@ buildPythonPackage rec {
 
   nativeCheckInputs = [ pytestCheckHook ];
 
-  disabledTests = lib.optionals stdenv.hostPlatform.isDarwin [
-    # AttributeError: Can't get local object 'map.<locals>.process_path'
-    "test_complex_error_handler"
-  ];
+  disabledTests =
+    lib.optionals (pythonAtLeast "3.14") [
+      # _pickle.PicklingError: Can't pickle local object <function map.<locals>.process_path at 0x7ffff580f480>
+      "test_complex_error_handler"
+    ]
+    ++ lib.optionals stdenv.hostPlatform.isDarwin [
+      # AttributeError: Can't get local object 'map.<locals>.process_path'
+      "test_complex_error_handler"
+    ];
 
   meta = {
     description = "Set of utilities for processing MediaWiki XML dump data";
@@ -50,4 +56,4 @@ buildPythonPackage rec {
     license = lib.licenses.mit;
     maintainers = with lib.maintainers; [ GaetanLepage ];
   };
-}
+})