diff --git a/packages/google-cloud-gke-hub/google/cloud/gkehub_v1beta1/services/gke_hub_membership_service/transports/grpc.py b/packages/google-cloud-gke-hub/google/cloud/gkehub_v1beta1/services/gke_hub_membership_service/transports/grpc.py
index dec0aa376eee..1c0b01f58700 100644
--- a/packages/google-cloud-gke-hub/google/cloud/gkehub_v1beta1/services/gke_hub_membership_service/transports/grpc.py
+++ b/packages/google-cloud-gke-hub/google/cloud/gkehub_v1beta1/services/gke_hub_membership_service/transports/grpc.py
@@ -61,6 +61,7 @@ def __init__(
         client_cert_source_for_mtls: Callable[[], Tuple[bytes, bytes]] = None,
         quota_project_id: Optional[str] = None,
         client_info: gapic_v1.client_info.ClientInfo = DEFAULT_CLIENT_INFO,
+        always_use_jwt_access: Optional[bool] = False,
     ) -> None:
         """Instantiate the transport.
 
@@ -101,6 +102,8 @@ def __init__(
                 API requests. If ``None``, then default info will be used.
                 Generally, you only need to set this if you're developing
                 your own client library.
+            always_use_jwt_access (Optional[bool]): Whether self signed JWT should
+                be used for service account credentials.
 
         Raises:
           google.auth.exceptions.MutualTLSChannelError: If mutual TLS transport
@@ -154,7 +157,7 @@ def __init__(
             scopes=scopes,
             quota_project_id=quota_project_id,
             client_info=client_info,
-            always_use_jwt_access=True,
+            always_use_jwt_access=always_use_jwt_access,
         )
 
         if not self._grpc_channel:
diff --git a/packages/google-cloud-gke-hub/google/cloud/gkehub_v1beta1/services/gke_hub_membership_service/transports/grpc_asyncio.py b/packages/google-cloud-gke-hub/google/cloud/gkehub_v1beta1/services/gke_hub_membership_service/transports/grpc_asyncio.py
index 5102138c91f7..372660033012 100644
--- a/packages/google-cloud-gke-hub/google/cloud/gkehub_v1beta1/services/gke_hub_membership_service/transports/grpc_asyncio.py
+++ b/packages/google-cloud-gke-hub/google/cloud/gkehub_v1beta1/services/gke_hub_membership_service/transports/grpc_asyncio.py
@@ -107,6 +107,7 @@ def __init__(
         client_cert_source_for_mtls: Callable[[], Tuple[bytes, bytes]] = None,
         quota_project_id=None,
         client_info: gapic_v1.client_info.ClientInfo = DEFAULT_CLIENT_INFO,
+        always_use_jwt_access: Optional[bool] = False,
     ) -> None:
         """Instantiate the transport.
 
@@ -148,6 +149,8 @@ def __init__(
                 API requests. If ``None``, then default info will be used.
                 Generally, you only need to set this if you're developing
                 your own client library.
+            always_use_jwt_access (Optional[bool]): Whether self signed JWT should
+                be used for service account credentials.
 
         Raises:
             google.auth.exceptions.MutualTlsChannelError: If mutual TLS transport
@@ -200,7 +203,7 @@ def __init__(
             scopes=scopes,
             quota_project_id=quota_project_id,
             client_info=client_info,
-            always_use_jwt_access=True,
+            always_use_jwt_access=always_use_jwt_access,
         )
 
         if not self._grpc_channel:
diff --git a/packages/google-cloud-gke-hub/tests/unit/gapic/gkehub_v1beta1/test_gke_hub_membership_service.py b/packages/google-cloud-gke-hub/tests/unit/gapic/gkehub_v1beta1/test_gke_hub_membership_service.py
index e6e73db54050..39711b99e2f6 100644
--- a/packages/google-cloud-gke-hub/tests/unit/gapic/gkehub_v1beta1/test_gke_hub_membership_service.py
+++ b/packages/google-cloud-gke-hub/tests/unit/gapic/gkehub_v1beta1/test_gke_hub_membership_service.py
@@ -139,7 +139,25 @@ def test_gke_hub_membership_service_client_service_account_always_use_jwt(client
     ) as use_jwt:
         creds = service_account.Credentials(None, None, None)
         client = client_class(credentials=creds)
-        use_jwt.assert_called_with(True)
+        use_jwt.assert_not_called()
+
+
+@pytest.mark.parametrize(
+    "transport_class,transport_name",
+    [
+        (transports.GkeHubMembershipServiceGrpcTransport, "grpc"),
+        (transports.GkeHubMembershipServiceGrpcAsyncIOTransport, "grpc_asyncio"),
+    ],
+)
+def test_gke_hub_membership_service_client_service_account_always_use_jwt_true(
+    transport_class, transport_name
+):
+    with mock.patch.object(
+        service_account.Credentials, "with_always_use_jwt_access", create=True
+    ) as use_jwt:
+        creds = service_account.Credentials(None, None, None)
+        transport = transport_class(credentials=creds, always_use_jwt_access=True)
+        use_jwt.assert_called_once_with(True)
 
 
 @pytest.mark.parametrize(