diff --git a/stubs/protobuf/METADATA.toml b/stubs/protobuf/METADATA.toml
index 6d1b58c94..39cd1ce95 100644
--- a/stubs/protobuf/METADATA.toml
+++ b/stubs/protobuf/METADATA.toml
@@ -1,4 +1,4 @@
-version = "4.21.*"
+version = "4.22.*"
 extra_description = "Generated with aid from mypy-protobuf v3.4.0"
 
 [tool.stubtest]
diff --git a/stubs/protobuf/google/protobuf/descriptor_pool.pyi b/stubs/protobuf/google/protobuf/descriptor_pool.pyi
index dd6138544..25939e479 100644
--- a/stubs/protobuf/google/protobuf/descriptor_pool.pyi
+++ b/stubs/protobuf/google/protobuf/descriptor_pool.pyi
@@ -2,7 +2,9 @@ from _typeshed import Incomplete
 
 class DescriptorPool:
     def __new__(cls, descriptor_db: Incomplete | None = ...): ...
-    def __init__(self, descriptor_db: Incomplete | None = ...) -> None: ...
+    def __init__(  # pyright: ignore[reportInconsistentConstructor]
+        self, descriptor_db: Incomplete | None = ..., use_deprecated_legacy_json_field_conflicts: bool = ...
+    ) -> None: ...
     def Add(self, file_desc_proto): ...
     def AddSerializedFile(self, serialized_file_desc_proto): ...
     def AddDescriptor(self, desc): ...
diff --git a/stubs/protobuf/google/protobuf/message.pyi b/stubs/protobuf/google/protobuf/message.pyi
index 798d00268..64448454f 100644
--- a/stubs/protobuf/google/protobuf/message.pyi
+++ b/stubs/protobuf/google/protobuf/message.pyi
@@ -27,8 +27,8 @@ class Message:
     def SerializePartialToString(self, deterministic: bool = ...) -> bytes: ...
     def ListFields(self) -> Sequence[tuple[FieldDescriptor, Any]]: ...
     # The TypeVar must be bound to `Message` or we get mypy errors, so we cannot use `Self` for `HasExtension` & `ClearExtension`
-    def HasExtension(self: _M, extension_handle: _ExtensionFieldDescriptor[_M, Any]) -> bool: ...
-    def ClearExtension(self: _M, extension_handle: _ExtensionFieldDescriptor[_M, Any]) -> None: ...
+    def HasExtension(self: _M, field_descriptor: _ExtensionFieldDescriptor[_M, Any]) -> bool: ...
+    def ClearExtension(self: _M, field_descriptor: _ExtensionFieldDescriptor[_M, Any]) -> None: ...
     # The TypeVar must be bound to `Message` or we get mypy errors, so we cannot use `Self` for `Extensions`
     @property
     def Extensions(self: _M) -> _ExtensionDict[_M]: ...
diff --git a/stubs/protobuf/google/protobuf/message_factory.pyi b/stubs/protobuf/google/protobuf/message_factory.pyi
index 5493ea889..4368ce132 100644
--- a/stubs/protobuf/google/protobuf/message_factory.pyi
+++ b/stubs/protobuf/google/protobuf/message_factory.pyi
@@ -12,4 +12,4 @@ class MessageFactory:
     def GetPrototype(self, descriptor: Descriptor) -> type[Message]: ...
     def GetMessages(self, files: Iterable[str]) -> dict[str, type[Message]]: ...
 
-def GetMessages(file_protos: Iterable[FileDescriptorProto]) -> dict[str, type[Message]]: ...
+def GetMessages(file_protos: Iterable[FileDescriptorProto], pool: DescriptorPool | None = ...) -> dict[str, type[Message]]: ...