diff --git a/stubs/gunicorn/METADATA.toml b/stubs/gunicorn/METADATA.toml
index bb712638260e..ef9dc009f948 100644
--- a/stubs/gunicorn/METADATA.toml
+++ b/stubs/gunicorn/METADATA.toml
@@ -1,4 +1,4 @@
-version = "25.2.0"
+version = "25.3.0"
 upstream_repository = "https://github.com/benoitc/gunicorn"
 requires = ["types-gevent"]
 
diff --git a/stubs/gunicorn/gunicorn/asgi/__init__.pyi b/stubs/gunicorn/gunicorn/asgi/__init__.pyi
index 7469610eac93..0e635cb1217d 100644
--- a/stubs/gunicorn/gunicorn/asgi/__init__.pyi
+++ b/stubs/gunicorn/gunicorn/asgi/__init__.pyi
@@ -1,5 +1,4 @@
 from gunicorn.asgi.lifespan import LifespanManager as LifespanManager
-from gunicorn.asgi.message import AsyncRequest as AsyncRequest
 from gunicorn.asgi.unreader import AsyncUnreader as AsyncUnreader
 
-__all__ = ["AsyncUnreader", "AsyncRequest", "LifespanManager"]
+__all__ = ["AsyncUnreader", "LifespanManager"]
diff --git a/stubs/gunicorn/gunicorn/asgi/message.pyi b/stubs/gunicorn/gunicorn/asgi/message.pyi
deleted file mode 100644
index a279e34cdd91..000000000000
--- a/stubs/gunicorn/gunicorn/asgi/message.pyi
+++ /dev/null
@@ -1,50 +0,0 @@
-import re
-from typing import Final, Literal
-from typing_extensions import Self
-
-from gunicorn.asgi.unreader import AsyncUnreader
-from gunicorn.config import Config
-
-from .._types import _AddressType
-
-MAX_REQUEST_LINE: Final = 8190
-MAX_HEADERS: Final = 32768
-DEFAULT_MAX_HEADERFIELD_SIZE: Final = 8190
-RFC9110_5_6_2_TOKEN_SPECIALS: Final = r"!#$%&'*+-.^_`|~"
-TOKEN_RE: Final[re.Pattern[str]]
-METHOD_BADCHAR_RE: Final[re.Pattern[str]]
-VERSION_RE: Final[re.Pattern[str]]
-RFC9110_5_5_INVALID_AND_DANGEROUS: Final[re.Pattern[str]]
-
-class AsyncRequest:
-    cfg: Config
-    unreader: AsyncUnreader
-    peer_addr: _AddressType
-    remote_addr: _AddressType
-    req_number: int
-    version: tuple[int, int] | None
-    method: str | None
-    uri: str | None
-    path: str | None
-    query: str | None
-    fragment: str | None
-    headers: list[tuple[str, str]]
-    trailers: list[tuple[str, str]]
-    scheme: Literal["https", "http"]
-    must_close: bool
-    proxy_protocol_info: dict[str, str | int | None] | None  # TODO: Use TypedDict
-    limit_request_line: int
-    limit_request_fields: int
-    limit_request_field_size: int
-    max_buffer_headers: int
-    content_length: int | None
-    chunked: bool
-
-    def __init__(self, cfg: Config, unreader: AsyncUnreader, peer_addr: _AddressType, req_number: int = 1) -> None: ...
-    @classmethod
-    async def parse(cls, cfg: Config, unreader: AsyncUnreader, peer_addr: _AddressType, req_number: int = 1) -> Self: ...
-    def force_close(self) -> None: ...
-    def should_close(self) -> bool: ...
-    def get_header(self, name: str) -> str | None: ...
-    async def read_body(self, size: int = 8192) -> bytes: ...
-    async def drain_body(self) -> None: ...
diff --git a/stubs/gunicorn/gunicorn/asgi/parser.pyi b/stubs/gunicorn/gunicorn/asgi/parser.pyi
index 4ef818bdbf53..f36970b1c8a5 100644
--- a/stubs/gunicorn/gunicorn/asgi/parser.pyi
+++ b/stubs/gunicorn/gunicorn/asgi/parser.pyi
@@ -1,16 +1,57 @@
 from collections.abc import Callable, Iterable
-from typing import Any, Literal, SupportsIndex
+from enum import IntEnum
+from typing import Any, Final, Literal, SupportsIndex, TypedDict, type_check_only
 from typing_extensions import Self, TypeAlias
 
 _H1CProtocol: TypeAlias = Any  # gunicorn_h1c H1CProtocol class
 
 class ParseError(Exception): ...
+class InvalidProxyLine(ParseError): ...
+class InvalidProxyHeader(ParseError): ...
+
+PP_V2_SIGNATURE: Final[bytes]
+
+class PPCommand(IntEnum):
+    LOCAL = 0x0
+    PROXY = 0x1
+
+class PPFamily(IntEnum):
+    UNSPEC = 0x0
+    INET = 0x1
+    INET6 = 0x2
+    UNIX = 0x3
+
+class PPProtocol(IntEnum):
+    UNSPEC = 0x0
+    STREAM = 0x1
+    DGRAM = 0x2
+
 class LimitRequestLine(ParseError): ...
+class InvalidRequestLine(ParseError): ...
 class LimitRequestHeaders(ParseError): ...
 class InvalidRequestMethod(ParseError): ...
 class InvalidHTTPVersion(ParseError): ...
 class InvalidHeaderName(ParseError): ...
 class InvalidHeader(ParseError): ...
+class UnsupportedTransferCoding(ParseError): ...
+class InvalidChunkSize(ParseError): ...
+class InvalidChunkExtension(ParseError): ...
+
+@type_check_only
+class _ProxyProtocolInfo(TypedDict):
+    proxy_protocol: Literal["TCP4", "TCP6", "UDP4", "UDP6"]
+    client_addr: str
+    client_port: int
+    proxy_addr: str
+    proxy_port: int
+
+@type_check_only
+class _ProxyProtocolInfoUnknown(TypedDict):
+    proxy_protocol: Literal["UNKNOWN", "LOCAL", "UNSPEC"]
+    client_addr: None
+    client_port: None
+    proxy_addr: None
+    proxy_port: None
 
 class PythonProtocol:
     __slots__ = (
@@ -42,6 +83,9 @@ class PythonProtocol:
         "_permit_unconventional_http_method",
         "_permit_unconventional_http_version",
         "_header_count",
+        "_proxy_protocol",
+        "_proxy_protocol_info",
+        "_proxy_protocol_done",
     )
     method: bytes | None
     path: bytes | None
@@ -65,9 +109,13 @@ class PythonProtocol:
         limit_request_field_size: int = 8190,
         permit_unconventional_http_method: bool = False,
         permit_unconventional_http_version: bool = False,
+        proxy_protocol: Literal["off", "v1", "v2", "auto"] = "off",
     ) -> None: ...
     def feed(self, data: Iterable[SupportsIndex]) -> None: ...
+    @property
+    def proxy_protocol_info(self) -> _ProxyProtocolInfo | _ProxyProtocolInfoUnknown | None: ...
     def reset(self) -> None: ...
+    def finish(self) -> None: ...
 
 class CallbackRequest:
     __slots__ = (
diff --git a/stubs/gunicorn/gunicorn/http/errors.pyi b/stubs/gunicorn/gunicorn/http/errors.pyi
index 22a57d6087e1..a7698a0973bc 100644
--- a/stubs/gunicorn/gunicorn/http/errors.pyi
+++ b/stubs/gunicorn/gunicorn/http/errors.pyi
@@ -68,6 +68,10 @@ class ChunkMissingTerminator(IOError):
 
     def __init__(self, term: bytes) -> None: ...
 
+class InvalidChunkExtension(IOError):
+    reason: str
+    def __init__(self, reason: str) -> None: ...
+
 class LimitRequestLine(ParseException):
     size: int
     max_size: int | None