diff --git a/stubs/Authlib/METADATA.toml b/stubs/Authlib/METADATA.toml
index e5f5788ee39c..d8cc388509d2 100644
--- a/stubs/Authlib/METADATA.toml
+++ b/stubs/Authlib/METADATA.toml
@@ -1,4 +1,4 @@
-version = "~= 1.6.4"
+version = "1.6.5"
 upstream_repository = "https://github.com/lepture/authlib"
 requires = ["cryptography"]
 partial_stub = true
diff --git a/stubs/Authlib/authlib/jose/rfc7515/jws.pyi b/stubs/Authlib/authlib/jose/rfc7515/jws.pyi
index fbb1083981aa..04cc886a1cca 100644
--- a/stubs/Authlib/authlib/jose/rfc7515/jws.pyi
+++ b/stubs/Authlib/authlib/jose/rfc7515/jws.pyi
@@ -1,8 +1,9 @@
 from _typeshed import Incomplete
 
 class JsonWebSignature:
-    REGISTERED_HEADER_PARAMETER_NAMES: Incomplete
-    ALGORITHMS_REGISTRY: Incomplete
+    REGISTERED_HEADER_PARAMETER_NAMES: frozenset[str]
+    MAX_CONTENT_LENGTH: int
+    ALGORITHMS_REGISTRY: dict[str, Incomplete]
     def __init__(self, algorithms=None, private_headers=None) -> None: ...
     @classmethod
     def register_algorithm(cls, algorithm) -> None: ...
diff --git a/stubs/Authlib/authlib/jose/rfc7516/models.pyi b/stubs/Authlib/authlib/jose/rfc7516/models.pyi
index 1bd060a1df59..533be13093bd 100644
--- a/stubs/Authlib/authlib/jose/rfc7516/models.pyi
+++ b/stubs/Authlib/authlib/jose/rfc7516/models.pyi
@@ -40,8 +40,8 @@ class JWEZipAlgorithm:
     description: Incomplete
     algorithm_type: str
     algorithm_location: str
-    def compress(self, s) -> None: ...
-    def decompress(self, s) -> None: ...
+    def compress(self, s: bytes) -> bytes | None: ...
+    def decompress(self, s: bytes) -> bytes | None: ...
 
 class JWESharedHeader(dict[str, object]):
     protected: Incomplete
diff --git a/stubs/Authlib/authlib/jose/rfc7518/jwe_zips.pyi b/stubs/Authlib/authlib/jose/rfc7518/jwe_zips.pyi
index bf456649a113..4bb30cd63311 100644
--- a/stubs/Authlib/authlib/jose/rfc7518/jwe_zips.pyi
+++ b/stubs/Authlib/authlib/jose/rfc7518/jwe_zips.pyi
@@ -1,9 +1,14 @@
+from typing import Final
+
 from authlib.jose.rfc7516 import JWEZipAlgorithm
 
+GZIP_HEAD: Final[bytes]
+MAX_SIZE: Final = 256000
+
 class DeflateZipAlgorithm(JWEZipAlgorithm):
     name: str
     description: str
-    def compress(self, s): ...
-    def decompress(self, s): ...
+    def compress(self, s: bytes) -> bytes: ...
+    def decompress(self, s: bytes) -> bytes: ...
 
 def register_jwe_rfc7518() -> None: ...
diff --git a/stubs/Authlib/authlib/oauth2/rfc7591/endpoint.pyi b/stubs/Authlib/authlib/oauth2/rfc7591/endpoint.pyi
index 1ff8927c09e9..dad1e003925c 100644
--- a/stubs/Authlib/authlib/oauth2/rfc7591/endpoint.pyi
+++ b/stubs/Authlib/authlib/oauth2/rfc7591/endpoint.pyi
@@ -1,6 +1,8 @@
 from _typeshed import Incomplete
 from typing import Final
 
+from authlib.jose import JWTClaims
+
 class ClientRegistrationEndpoint:
     ENDPOINT_NAME: Final = "client_registration"
     software_statement_alg_values_supported: Incomplete
@@ -10,12 +12,12 @@ class ClientRegistrationEndpoint:
     def __call__(self, request) -> dict[Incomplete, Incomplete]: ...
     def create_registration_response(self, request): ...
     def extract_client_metadata(self, request): ...
-    def extract_software_statement(self, software_statement, request): ...
-    def generate_client_info(self): ...
+    def extract_software_statement(self, software_statement, request) -> JWTClaims: ...
+    def generate_client_info(self, request) -> dict[str, Incomplete]: ...
     def generate_client_registration_info(self, client, request) -> None: ...
     def create_endpoint_request(self, request): ...
-    def generate_client_id(self): ...
-    def generate_client_secret(self): ...
+    def generate_client_id(self, request) -> str: ...
+    def generate_client_secret(self, request) -> str: ...
     def get_server_metadata(self) -> None: ...
     def authenticate_token(self, request) -> None: ...
     def resolve_public_key(self, request) -> None: ...