diff --git a/google/cloud/functions_v1/services/cloud_functions_service/transports/__init__.py b/google/cloud/functions_v1/services/cloud_functions_service/transports/__init__.py
index b50e7d1..90fe312 100644
--- a/google/cloud/functions_v1/services/cloud_functions_service/transports/__init__.py
+++ b/google/cloud/functions_v1/services/cloud_functions_service/transports/__init__.py
@@ -30,7 +30,6 @@
 _transport_registry["grpc"] = CloudFunctionsServiceGrpcTransport
 _transport_registry["grpc_asyncio"] = CloudFunctionsServiceGrpcAsyncIOTransport
 
-
 __all__ = (
     "CloudFunctionsServiceTransport",
     "CloudFunctionsServiceGrpcTransport",
diff --git a/google/cloud/functions_v1/services/cloud_functions_service/transports/grpc.py b/google/cloud/functions_v1/services/cloud_functions_service/transports/grpc.py
index 9507fc2..98571f8 100644
--- a/google/cloud/functions_v1/services/cloud_functions_service/transports/grpc.py
+++ b/google/cloud/functions_v1/services/cloud_functions_service/transports/grpc.py
@@ -151,6 +151,10 @@ def __init__(
                 ssl_credentials=ssl_credentials,
                 scopes=scopes or self.AUTH_SCOPES,
                 quota_project_id=quota_project_id,
+                options=[
+                    ("grpc.max_send_message_length", -1),
+                    ("grpc.max_receive_message_length", -1),
+                ],
             )
             self._ssl_channel_credentials = ssl_credentials
         else:
@@ -169,9 +173,14 @@ def __init__(
                 ssl_credentials=ssl_channel_credentials,
                 scopes=scopes or self.AUTH_SCOPES,
                 quota_project_id=quota_project_id,
+                options=[
+                    ("grpc.max_send_message_length", -1),
+                    ("grpc.max_receive_message_length", -1),
+                ],
             )
 
         self._stubs = {}  # type: Dict[str, Callable]
+        self._operations_client = None
 
         # Run the base constructor.
         super().__init__(
@@ -195,7 +204,7 @@ def create_channel(
     ) -> grpc.Channel:
         """Create and return a gRPC channel object.
         Args:
-            address (Optionsl[str]): The host for the channel to use.
+            address (Optional[str]): The host for the channel to use.
             credentials (Optional[~.Credentials]): The
                 authorization credentials to attach to requests. These
                 credentials identify this application to the service. If
@@ -242,13 +251,11 @@ def operations_client(self) -> operations_v1.OperationsClient:
         client.
         """
         # Sanity check: Only create a new client if we do not already have one.
-        if "operations_client" not in self.__dict__:
-            self.__dict__["operations_client"] = operations_v1.OperationsClient(
-                self.grpc_channel
-            )
+        if self._operations_client is None:
+            self._operations_client = operations_v1.OperationsClient(self.grpc_channel)
 
         # Return the client from cache.
-        return self.__dict__["operations_client"]
+        return self._operations_client
 
     @property
     def list_functions(
diff --git a/google/cloud/functions_v1/services/cloud_functions_service/transports/grpc_asyncio.py b/google/cloud/functions_v1/services/cloud_functions_service/transports/grpc_asyncio.py
index b292db3..6f4fe62 100644
--- a/google/cloud/functions_v1/services/cloud_functions_service/transports/grpc_asyncio.py
+++ b/google/cloud/functions_v1/services/cloud_functions_service/transports/grpc_asyncio.py
@@ -196,6 +196,10 @@ def __init__(
                 ssl_credentials=ssl_credentials,
                 scopes=scopes or self.AUTH_SCOPES,
                 quota_project_id=quota_project_id,
+                options=[
+                    ("grpc.max_send_message_length", -1),
+                    ("grpc.max_receive_message_length", -1),
+                ],
             )
             self._ssl_channel_credentials = ssl_credentials
         else:
@@ -214,6 +218,10 @@ def __init__(
                 ssl_credentials=ssl_channel_credentials,
                 scopes=scopes or self.AUTH_SCOPES,
                 quota_project_id=quota_project_id,
+                options=[
+                    ("grpc.max_send_message_length", -1),
+                    ("grpc.max_receive_message_length", -1),
+                ],
             )
 
         # Run the base constructor.
@@ -227,6 +235,7 @@ def __init__(
         )
 
         self._stubs = {}
+        self._operations_client = None
 
     @property
     def grpc_channel(self) -> aio.Channel:
@@ -246,13 +255,13 @@ def operations_client(self) -> operations_v1.OperationsAsyncClient:
         client.
         """
         # Sanity check: Only create a new client if we do not already have one.
-        if "operations_client" not in self.__dict__:
-            self.__dict__["operations_client"] = operations_v1.OperationsAsyncClient(
+        if self._operations_client is None:
+            self._operations_client = operations_v1.OperationsAsyncClient(
                 self.grpc_channel
             )
 
         # Return the client from cache.
-        return self.__dict__["operations_client"]
+        return self._operations_client
 
     @property
     def list_functions(
diff --git a/google/cloud/functions_v1/types/__init__.py b/google/cloud/functions_v1/types/__init__.py
index eb2641b..de5cc1a 100644
--- a/google/cloud/functions_v1/types/__init__.py
+++ b/google/cloud/functions_v1/types/__init__.py
@@ -33,9 +33,12 @@
     GenerateUploadUrlResponse,
     GenerateDownloadUrlRequest,
     GenerateDownloadUrlResponse,
+    CloudFunctionStatus,
+)
+from .operations import (
+    OperationMetadataV1,
+    OperationType,
 )
-from .operations import OperationMetadataV1
-
 
 __all__ = (
     "CloudFunction",
@@ -55,5 +58,7 @@
     "GenerateUploadUrlResponse",
     "GenerateDownloadUrlRequest",
     "GenerateDownloadUrlResponse",
+    "CloudFunctionStatus",
     "OperationMetadataV1",
+    "OperationType",
 )
diff --git a/synth.metadata b/synth.metadata
index 176b08d..06215e2 100644
--- a/synth.metadata
+++ b/synth.metadata
@@ -4,15 +4,15 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/python-functions.git",
-        "sha": "6ef79767921676ef825fbac52fee5fdbec75d5e1"
+        "sha": "bdb2f5093ed82a88ce769d72a1c6bc0643f3644c"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "3f87da2ed1ddc3566ef0810c4fc06a2682cc9f5f",
-        "internalRef": "343022252"
+        "sha": "dd372aa22ded7a8ba6f0e03a80e06358a3fa0907",
+        "internalRef": "347055288"
       }
     },
     {
diff --git a/tests/unit/gapic/functions_v1/test_cloud_functions_service.py b/tests/unit/gapic/functions_v1/test_cloud_functions_service.py
index 0c2b31d..f462f62 100644
--- a/tests/unit/gapic/functions_v1/test_cloud_functions_service.py
+++ b/tests/unit/gapic/functions_v1/test_cloud_functions_service.py
@@ -2886,6 +2886,10 @@ def test_cloud_functions_service_transport_channel_mtls_with_client_cert_source(
                 scopes=("https://www.googleapis.com/auth/cloud-platform",),
                 ssl_credentials=mock_ssl_cred,
                 quota_project_id=None,
+                options=[
+                    ("grpc.max_send_message_length", -1),
+                    ("grpc.max_receive_message_length", -1),
+                ],
             )
             assert transport.grpc_channel == mock_grpc_channel
             assert transport._ssl_channel_credentials == mock_ssl_cred
@@ -2927,6 +2931,10 @@ def test_cloud_functions_service_transport_channel_mtls_with_adc(transport_class
                 scopes=("https://www.googleapis.com/auth/cloud-platform",),
                 ssl_credentials=mock_ssl_cred,
                 quota_project_id=None,
+                options=[
+                    ("grpc.max_send_message_length", -1),
+                    ("grpc.max_receive_message_length", -1),
+                ],
             )
             assert transport.grpc_channel == mock_grpc_channel