diff --git a/stubs/Authlib/authlib/__init__.pyi b/stubs/Authlib/authlib/__init__.pyi
index d1c285f4e..a254fc539 100644
--- a/stubs/Authlib/authlib/__init__.pyi
+++ b/stubs/Authlib/authlib/__init__.pyi
@@ -1,4 +1,8 @@
-from .consts import homepage, version
+from typing import Final
 
-__version__ = version
-__homepage__ = homepage
+from .consts import author, homepage, version
+
+__version__: Final = version
+__homepage__: Final = homepage
+__author__: Final = author
+__license__: Final = "BSD-3-Clause"
diff --git a/stubs/Authlib/authlib/common/encoding.pyi b/stubs/Authlib/authlib/common/encoding.pyi
index e76f84f03..0cddc1311 100644
--- a/stubs/Authlib/authlib/common/encoding.pyi
+++ b/stubs/Authlib/authlib/common/encoding.pyi
@@ -1,10 +1,26 @@
-def to_bytes(x, charset: str = "utf-8", errors: str = "strict") -> bytes | None: ...
-def to_unicode(x, charset: str = "utf-8", errors: str = "strict") -> str | None: ...
-def to_native(x, encoding: str = "ascii"): ...
-def json_loads(s): ...
-def json_dumps(data, ensure_ascii: bool = False): ...
-def urlsafe_b64decode(s): ...
-def urlsafe_b64encode(s): ...
-def base64_to_int(s): ...
-def int_to_base64(num): ...
-def json_b64encode(text): ...
+from _typeshed import ReadableBuffer
+from collections.abc import Iterable
+from typing import Any, SupportsBytes, SupportsIndex, overload
+
+@overload
+def to_bytes(x: None, charset: str = "utf-8", errors: str = "strict") -> None: ...
+@overload
+def to_bytes(
+    x: str | bytes | float | Iterable[SupportsIndex] | SupportsIndex | SupportsBytes | ReadableBuffer,
+    charset: str = "utf-8",
+    errors: str = "strict",
+) -> bytes: ...
+@overload
+def to_unicode(x: None, charset: str = "utf-8", errors: str = "strict") -> None: ...
+@overload
+def to_unicode(x: object, charset: str = "utf-8", errors: str = "strict") -> str: ...
+def to_native(x: str | bytes, encoding: str = "ascii") -> str: ...
+def json_loads(s: str | bytes | bytearray) -> Any: ...  # returns json.loads()
+def json_dumps(data: Any, ensure_ascii: bool = False) -> str: ...  # data pass to json.dumps()
+def urlsafe_b64decode(s: bytes) -> bytes: ...
+def urlsafe_b64encode(s: ReadableBuffer) -> bytes: ...
+def base64_to_int(s: str | bytes | float | Iterable[SupportsIndex] | SupportsIndex | SupportsBytes | ReadableBuffer) -> int: ...
+def int_to_base64(num: int) -> str: ...
+def json_b64encode(
+    text: str | bytes | float | Iterable[SupportsIndex] | SupportsIndex | SupportsBytes | ReadableBuffer,
+) -> bytes: ...
diff --git a/stubs/Authlib/authlib/common/errors.pyi b/stubs/Authlib/authlib/common/errors.pyi
index 89a45b2d9..c6b1276d2 100644
--- a/stubs/Authlib/authlib/common/errors.pyi
+++ b/stubs/Authlib/authlib/common/errors.pyi
@@ -1,26 +1,21 @@
-from _typeshed import Incomplete
+from typing import Literal
 
 class AuthlibBaseError(Exception):
-    error: Incomplete
+    error: str | None
     description: str
-    uri: Incomplete
-    def __init__(
-        self, error: Incomplete | None = None, description: Incomplete | None = None, uri: Incomplete | None = None
-    ) -> None: ...
+    uri: str | None
+    def __init__(self, error: str | None = None, description: str | None = None, uri: str | None = None) -> None: ...
 
 class AuthlibHTTPError(AuthlibBaseError):
     status_code: int
     def __init__(
-        self,
-        error: Incomplete | None = None,
-        description: Incomplete | None = None,
-        uri: Incomplete | None = None,
-        status_code: Incomplete | None = None,
+        self, error: str | None = None, description: str | None = None, uri: str | None = None, status_code: int | None = None
     ) -> None: ...
-    def get_error_description(self): ...
-    def get_body(self): ...
-    def get_headers(self): ...
-    uri: Incomplete
-    def __call__(self, uri: Incomplete | None = None): ...
+    def get_error_description(self) -> str: ...
+    def get_body(self) -> list[tuple[Literal["error", "error_description", "error_uri"], str | None]]: ...
+    def get_headers(self) -> list[tuple[str, str]]: ...
+    def __call__(
+        self, uri: str | None = None
+    ) -> tuple[int, dict[Literal["error", "error_description", "error_uri"], str | None], list[tuple[str, str]]]: ...
 
 class ContinueIteration(AuthlibBaseError): ...
diff --git a/stubs/Authlib/authlib/common/security.pyi b/stubs/Authlib/authlib/common/security.pyi
index d69563f0e..dc6786cbc 100644
--- a/stubs/Authlib/authlib/common/security.pyi
+++ b/stubs/Authlib/authlib/common/security.pyi
@@ -1,4 +1,6 @@
-UNICODE_ASCII_CHARACTER_SET: str
+from typing import Final
+
+UNICODE_ASCII_CHARACTER_SET: Final[str]
 
 def generate_token(length: int = 30, chars: str = ...) -> str: ...
 def is_secure_transport(uri: str) -> bool: ...
diff --git a/stubs/Authlib/authlib/common/urls.pyi b/stubs/Authlib/authlib/common/urls.pyi
index 1d9bffd42..457993f01 100644
--- a/stubs/Authlib/authlib/common/urls.pyi
+++ b/stubs/Authlib/authlib/common/urls.pyi
@@ -1,10 +1,10 @@
-from collections.abc import Collection
 from re import Pattern
+from typing import Final
 from typing_extensions import TypeAlias
 
-always_safe: str
-urlencoded: Collection[str]
-INVALID_HEX_PATTERN: Pattern[str]
+always_safe: Final[str]
+urlencoded: Final[set[str]]
+INVALID_HEX_PATTERN: Final[Pattern[str]]
 
 _ExplodedQueryString: TypeAlias = list[tuple[str, str]]
 
diff --git a/stubs/Authlib/authlib/consts.pyi b/stubs/Authlib/authlib/consts.pyi
index ab047d254..6ec14d37c 100644
--- a/stubs/Authlib/authlib/consts.pyi
+++ b/stubs/Authlib/authlib/consts.pyi
@@ -1,8 +1,8 @@
-from _typeshed import Incomplete
+from typing import Final
 
-name: str
-version: str
-author: str
-homepage: str
-default_user_agent: Incomplete
-default_json_headers: Incomplete
+name: Final[str]
+version: Final[str]
+author: Final[str]
+homepage: Final[str]
+default_user_agent: Final[str]
+default_json_headers: Final[list[tuple[str, str]]]
diff --git a/stubs/Authlib/authlib/deprecate.pyi b/stubs/Authlib/authlib/deprecate.pyi
index c4c5a11b5..9f7f18218 100644
--- a/stubs/Authlib/authlib/deprecate.pyi
+++ b/stubs/Authlib/authlib/deprecate.pyi
@@ -1,7 +1,3 @@
-from _typeshed import Incomplete
-
 class AuthlibDeprecationWarning(DeprecationWarning): ...
 
-def deprecate(
-    message, version: Incomplete | None = None, link_uid: Incomplete | None = None, link_file: Incomplete | None = None
-) -> None: ...
+def deprecate(message: str, version: str | None = None, link_uid: str | None = None, link_file: str | None = None) -> None: ...
diff --git a/stubs/Authlib/authlib/jose/__init__.pyi b/stubs/Authlib/authlib/jose/__init__.pyi
index e1c930f3c..3377c3dbd 100644
--- a/stubs/Authlib/authlib/jose/__init__.pyi
+++ b/stubs/Authlib/authlib/jose/__init__.pyi
@@ -1,5 +1,3 @@
-from _typeshed import Incomplete
-
 from .errors import JoseError as JoseError
 from .rfc7515 import (
     JsonWebSignature as JsonWebSignature,
@@ -18,6 +16,8 @@ from .rfc7518 import ECKey as ECKey, OctKey as OctKey, RSAKey as RSAKey
 from .rfc7519 import BaseClaims as BaseClaims, JsonWebToken as JsonWebToken, JWTClaims as JWTClaims
 from .rfc8037 import OKPKey as OKPKey
 
+jwt: JsonWebToken
+
 __all__ = [
     "JoseError",
     "JsonWebSignature",
@@ -40,5 +40,3 @@ __all__ = [
     "JWTClaims",
     "jwt",
 ]
-
-jwt: Incomplete
diff --git a/stubs/Authlib/authlib/jose/rfc7519/claims.pyi b/stubs/Authlib/authlib/jose/rfc7519/claims.pyi
index e195536a7..63e206f11 100644
--- a/stubs/Authlib/authlib/jose/rfc7519/claims.pyi
+++ b/stubs/Authlib/authlib/jose/rfc7519/claims.pyi
@@ -1,7 +1,7 @@
 from _typeshed import Incomplete
 
 class BaseClaims(dict[str, object]):
-    REGISTERED_CLAIMS: Incomplete
+    REGISTERED_CLAIMS: list[str]
     header: Incomplete
     options: Incomplete
     params: Incomplete
@@ -10,7 +10,7 @@ class BaseClaims(dict[str, object]):
     def get_registered_claims(self): ...
 
 class JWTClaims(BaseClaims):
-    REGISTERED_CLAIMS: Incomplete
+    REGISTERED_CLAIMS: list[str]
     def validate(self, now: Incomplete | None = None, leeway: int = 0) -> None: ...
     def validate_iss(self) -> None: ...
     def validate_sub(self) -> None: ...
diff --git a/stubs/Authlib/authlib/jose/util.pyi b/stubs/Authlib/authlib/jose/util.pyi
index ef9dc7671..780229067 100644
--- a/stubs/Authlib/authlib/jose/util.pyi
+++ b/stubs/Authlib/authlib/jose/util.pyi
@@ -1,3 +1,7 @@
-def extract_header(header_segment, error_cls): ...
-def extract_segment(segment, error_cls, name: str = "payload"): ...
-def ensure_dict(s, structure_name): ...
+from _typeshed import Incomplete
+
+from authlib.common.errors import AuthlibBaseError
+
+def extract_header(header_segment: bytes, error_cls: AuthlibBaseError) -> dict[Incomplete, Incomplete]: ...
+def extract_segment(segment: bytes, error_cls: AuthlibBaseError, name: str = "payload") -> bytes: ...
+def ensure_dict(s: object, structure_name: str) -> dict[Incomplete, Incomplete]: ...