diff --git a/stdlib/pathlib.pyi b/stdlib/pathlib.pyi
index a509ec3af..4dcda98b2 100644
--- a/stdlib/pathlib.pyi
+++ b/stdlib/pathlib.pyi
@@ -8,6 +8,7 @@ from _typeshed import (
     ReadableBuffer,
     StrOrBytesPath,
     StrPath,
+    Unused,
 )
 from collections.abc import Callable, Generator, Iterator, Sequence
 from io import BufferedRandom, BufferedReader, BufferedWriter, FileIO, TextIOWrapper
@@ -38,7 +39,12 @@ class PurePath(PathLike[str]):
     def suffixes(self) -> list[str]: ...
     @property
     def stem(self) -> str: ...
-    def __new__(cls, *args: StrPath) -> Self: ...
+    if sys.version_info >= (3, 12):
+        def __new__(cls, *args: StrPath, **kwargs: Unused) -> Self: ...
+        def __init__(self, *args: StrPath) -> None: ...
+    else:
+        def __new__(cls, *args: StrPath) -> Self: ...
+
     def __hash__(self) -> int: ...
     def __eq__(self, other: object) -> bool: ...
     def __fspath__(self) -> str: ...
@@ -53,7 +59,9 @@ class PurePath(PathLike[str]):
     def as_uri(self) -> str: ...
     def is_absolute(self) -> bool: ...
     def is_reserved(self) -> bool: ...
-    if sys.version_info >= (3, 9):
+    if sys.version_info >= (3, 12):
+        def is_relative_to(self, __other: StrPath, *_deprecated: StrPath) -> bool: ...
+    elif sys.version_info >= (3, 9):
         def is_relative_to(self, *other: StrPath) -> bool: ...
 
     if sys.version_info >= (3, 12):
@@ -61,7 +69,11 @@ class PurePath(PathLike[str]):
     else:
         def match(self, path_pattern: str) -> bool: ...
 
-    def relative_to(self, *other: StrPath) -> Self: ...
+    if sys.version_info >= (3, 12):
+        def relative_to(self, __other: StrPath, *_deprecated: StrPath, walk_up: bool = False) -> Self: ...
+    else:
+        def relative_to(self, *other: StrPath) -> Self: ...
+
     def with_name(self, name: str) -> Self: ...
     if sys.version_info >= (3, 9):
         def with_stem(self, stem: str) -> Self: ...
diff --git a/tests/stubtest_allowlists/py312.txt b/tests/stubtest_allowlists/py312.txt
index f8438eff2..00c3483b3 100644
--- a/tests/stubtest_allowlists/py312.txt
+++ b/tests/stubtest_allowlists/py312.txt
@@ -17,10 +17,6 @@ importlib.metadata._meta.PackageMetadata.get
 importlib.metadata._meta.SimplePath.__truediv__
 importlib.metadata._meta.SimplePath.parent
 importlib.resources.files
-pathlib.Path.__init__
-pathlib.PurePath.__init__
-pathlib.PurePath.is_relative_to
-pathlib.PurePath.relative_to
 poplib.POP3_SSL.__init__
 smtplib.SMTP.starttls
 smtplib.SMTP_SSL.__init__