diff --git a/google/cloud/secretmanager_v1/services/secret_manager_service/async_client.py b/google/cloud/secretmanager_v1/services/secret_manager_service/async_client.py
index eec4552..74fa670 100644
--- a/google/cloud/secretmanager_v1/services/secret_manager_service/async_client.py
+++ b/google/cloud/secretmanager_v1/services/secret_manager_service/async_client.py
@@ -919,11 +919,12 @@ async def access_secret_version(
         rpc = gapic_v1.method_async.wrap_method(
             self._client._transport.access_secret_version,
             default_retry=retries.Retry(
-                initial=1.0,
+                initial=2.0,
                 maximum=60.0,
-                multiplier=1.3,
+                multiplier=2.0,
                 predicate=retries.if_exception_type(
-                    core_exceptions.ServiceUnavailable, core_exceptions.Unknown,
+                    core_exceptions.ResourceExhausted,
+                    core_exceptions.ServiceUnavailable,
                 ),
                 deadline=60.0,
             ),
diff --git a/google/cloud/secretmanager_v1/services/secret_manager_service/transports/base.py b/google/cloud/secretmanager_v1/services/secret_manager_service/transports/base.py
index e476ec5..ec19bfd 100644
--- a/google/cloud/secretmanager_v1/services/secret_manager_service/transports/base.py
+++ b/google/cloud/secretmanager_v1/services/secret_manager_service/transports/base.py
@@ -187,11 +187,12 @@ def _prep_wrapped_messages(self, client_info):
             self.access_secret_version: gapic_v1.method.wrap_method(
                 self.access_secret_version,
                 default_retry=retries.Retry(
-                    initial=1.0,
+                    initial=2.0,
                     maximum=60.0,
-                    multiplier=1.3,
+                    multiplier=2.0,
                     predicate=retries.if_exception_type(
-                        core_exceptions.ServiceUnavailable, core_exceptions.Unknown,
+                        core_exceptions.ResourceExhausted,
+                        core_exceptions.ServiceUnavailable,
                     ),
                     deadline=60.0,
                 ),