diff --git a/stubs/oauthlib/METADATA.toml b/stubs/oauthlib/METADATA.toml
index 6b2d25dc6222..8350fd0e1993 100644
--- a/stubs/oauthlib/METADATA.toml
+++ b/stubs/oauthlib/METADATA.toml
@@ -1,2 +1,2 @@
-version = "3.3.*"
+version = "4.0.*"
 upstream-repository = "https://github.com/oauthlib/oauthlib"
diff --git a/stubs/oauthlib/oauthlib/oauth2/rfc6749/clients/base.pyi b/stubs/oauthlib/oauthlib/oauth2/rfc6749/clients/base.pyi
index aa5cf71e7aa0..aefe555f0d83 100644
--- a/stubs/oauthlib/oauthlib/oauth2/rfc6749/clients/base.pyi
+++ b/stubs/oauthlib/oauthlib/oauth2/rfc6749/clients/base.pyi
@@ -102,9 +102,8 @@ class Client:
         token: str,
         token_type_hint: Literal["access_token", "refresh_token"] | None = "access_token",
         body: str = "",
-        callback: Callable[[Incomplete], Incomplete] | None = None,
         **kwargs,
-    ): ...
+    ) -> tuple[str, dict[str, str], str]: ...
     def parse_request_body_response(
         self, body: str, scope: str | set[object] | tuple[object] | list[object] | None = None, **kwargs
     ) -> OAuth2Token: ...
diff --git a/stubs/oauthlib/oauthlib/oauth2/rfc6749/endpoints/revocation.pyi b/stubs/oauthlib/oauthlib/oauth2/rfc6749/endpoints/revocation.pyi
index aae37277292d..fe02a0542729 100644
--- a/stubs/oauthlib/oauthlib/oauth2/rfc6749/endpoints/revocation.pyi
+++ b/stubs/oauthlib/oauthlib/oauth2/rfc6749/endpoints/revocation.pyi
@@ -13,13 +13,7 @@ class RevocationEndpoint(BaseEndpoint):
     valid_request_methods: tuple[Literal["POST"]]
     request_validator: RequestValidator
     supported_token_types: tuple[str, ...]
-    enable_jsonp: bool
-    def __init__(
-        self,
-        request_validator: RequestValidator,
-        supported_token_types: tuple[str, ...] | None = None,
-        enable_jsonp: bool = False,
-    ) -> None: ...
+    def __init__(self, request_validator: RequestValidator, supported_token_types: tuple[str, ...] | None = None) -> None: ...
     def create_revocation_response(
         self, uri: str, http_method: _HTTPMethod = "POST", body: str | None = None, headers: dict[str, str] | None = None
     ) -> tuple[dict[str, str], str, int]: ...
diff --git a/stubs/oauthlib/oauthlib/oauth2/rfc6749/grant_types/base.pyi b/stubs/oauthlib/oauthlib/oauth2/rfc6749/grant_types/base.pyi
index ec02b7862aba..d5d2fa144b45 100644
--- a/stubs/oauthlib/oauthlib/oauth2/rfc6749/grant_types/base.pyi
+++ b/stubs/oauthlib/oauthlib/oauth2/rfc6749/grant_types/base.pyi
@@ -62,6 +62,9 @@ class GrantTypeBase:
     def add_token(self, token: dict[str, _T], token_handler: TokenBase, request: Request) -> dict[str, _T]: ...
     def validate_grant_type(self, request: Request) -> None: ...
     def validate_scopes(self, request: Request) -> None: ...
+    def validate_client_confidential(self, request: Request) -> None: ...
+    def validate_client_public(self, request: Request) -> None: ...
+    def validate_client_authentication(self, request: Request) -> None: ...
     def prepare_authorization_response(
         self, request: Request, token: dict[str, Incomplete], headers: dict[str, str], body: str | None, status: int | None
     ) -> tuple[dict[str, str], str | None, int | None]: ...
diff --git a/stubs/oauthlib/oauthlib/oauth2/rfc6749/parameters.pyi b/stubs/oauthlib/oauthlib/oauth2/rfc6749/parameters.pyi
index c82a710d5205..00f13e7f3f07 100644
--- a/stubs/oauthlib/oauthlib/oauth2/rfc6749/parameters.pyi
+++ b/stubs/oauthlib/oauthlib/oauth2/rfc6749/parameters.pyi
@@ -1,5 +1,4 @@
 from _typeshed import Incomplete
-from collections.abc import Callable
 from typing import Literal
 
 from .tokens import OAuth2Token
@@ -32,7 +31,6 @@ def prepare_token_revocation_request(
     url: str,
     token: str,
     token_type_hint: Literal["access_token", "refresh_token"] | None = "access_token",
-    callback: Callable[[Incomplete], Incomplete] | None = None,
     body: str = "",
     **kwargs,
 ) -> tuple[str, dict[str, str], str]: ...