diff --git a/third_party/2and3/google/protobuf/message.pyi b/third_party/2and3/google/protobuf/message.pyi
index 2f9fe8af3..053d0cf3f 100644
--- a/third_party/2and3/google/protobuf/message.pyi
+++ b/third_party/2and3/google/protobuf/message.pyi
@@ -30,7 +30,7 @@ class Message:
     def SetInParent(self) -> None: ...
     def IsInitialized(self) -> bool: ...
     def MergeFromString(self, serialized: _Serialized) -> int: ...
-    def ParseFromString(self, serialized: _Serialized) -> None: ...
+    def ParseFromString(self, serialized: _Serialized) -> int: ...
     def SerializeToString(self, deterministic: bool = ...) -> bytes: ...
     def SerializePartialToString(self, deterministic: bool = ...) -> bytes: ...
     def ListFields(self) -> Sequence[Tuple[FieldDescriptor, Any]]: ...