diff --git a/stubs/Markdown/markdown/util.pyi b/stubs/Markdown/markdown/util.pyi
index 567d279a9fb5..c8c62b238be0 100644
--- a/stubs/Markdown/markdown/util.pyi
+++ b/stubs/Markdown/markdown/util.pyi
@@ -1,7 +1,7 @@
 from collections.abc import Iterator
 from importlib import metadata
 from re import Pattern
-from typing import Final, Generic, TypedDict, TypeVar, overload, type_check_only
+from typing import Final, Generic, Literal, TypedDict, TypeVar, overload, type_check_only
 from xml.etree.ElementTree import Element
 
 from markdown.core import Markdown
@@ -24,9 +24,9 @@ def get_installed_extensions() -> metadata.EntryPoints: ...
 def deprecated(message: str, stacklevel: int = 2): ...
 
 @overload
-def parseBoolValue(value: str) -> bool: ...
+def parseBoolValue(value: object, fail_on_errors: Literal[True] = True, preserve_none: Literal[False] = False) -> bool: ...
 @overload
-def parseBoolValue(value: str | None, fail_on_errors: bool = True, preserve_none: bool = False) -> bool | None: ...
+def parseBoolValue(value: object, fail_on_errors: bool = True, preserve_none: bool = False) -> bool | None: ...
 
 def code_escape(text: str) -> str: ...
 def nearing_recursion_limit() -> bool: ...