diff --git a/pyproject.toml b/pyproject.toml
index d35923ef..4aa1e735 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -49,7 +49,7 @@ test = [
 lint = [
     "black==24.10.0",
     "isort==6.1.0",
-    "pylint==3.3.8",
+    "pylint==4.0.1",
 ]
 docs = [
     "sphinx>=7,<9",
diff --git a/src/ytdl_sub/config/defaults.py b/src/ytdl_sub/config/defaults.py
index cf1f3096..e0746e1e 100644
--- a/src/ytdl_sub/config/defaults.py
+++ b/src/ytdl_sub/config/defaults.py
@@ -2,6 +2,8 @@ import os
 
 from ytdl_sub.utils.system import IS_WINDOWS
 
+# pylint: disable=invalid-name
+
 
 def _existing_path(*paths: str) -> str:
     """
diff --git a/src/ytdl_sub/script/utils/type_checking.py b/src/ytdl_sub/script/utils/type_checking.py
index e8a8bc79..7598a526 100644
--- a/src/ytdl_sub/script/utils/type_checking.py
+++ b/src/ytdl_sub/script/utils/type_checking.py
@@ -2,6 +2,7 @@
 import inspect
 from dataclasses import dataclass
 from inspect import FullArgSpec
+from types import NoneType
 from typing import Callable
 from typing import List
 from typing import Optional
@@ -50,7 +51,7 @@ def get_optional_type(optional_type: Type) -> Type[NamedType]:
     -------
     Type within the Optional[Type]
     """
-    return [arg for arg in optional_type.__args__ if arg != type(None)][0]
+    return [arg for arg in optional_type.__args__ if not isinstance(arg, NoneType)][0]
 
 
 def _is_union_compatible(