diff --git a/google/cloud/devtools/containeranalysis_v1/services/container_analysis/transports/rest.py b/google/cloud/devtools/containeranalysis_v1/services/container_analysis/transports/rest.py
index 4e84161..fbee9d7 100644
--- a/google/cloud/devtools/containeranalysis_v1/services/container_analysis/transports/rest.py
+++ b/google/cloud/devtools/containeranalysis_v1/services/container_analysis/transports/rest.py
@@ -17,7 +17,7 @@
 import dataclasses
 import json  # type: ignore
 import re
-from typing import Callable, Dict, List, Optional, Sequence, Tuple, Union
+from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union
 import warnings
 
 from google.api_core import gapic_v1, path_template, rest_helpers, rest_streaming
@@ -310,7 +310,7 @@ class _GetIamPolicy(ContainerAnalysisRestStub):
         def __hash__(self):
             return hash("GetIamPolicy")
 
-        __REQUIRED_FIELDS_DEFAULT_VALUES: Dict[str, str] = {}
+        __REQUIRED_FIELDS_DEFAULT_VALUES: Dict[str, Any] = {}
 
         @classmethod
         def _get_unset_required_fields(cls, message_dict):
@@ -484,7 +484,7 @@ class _GetVulnerabilityOccurrencesSummary(ContainerAnalysisRestStub):
         def __hash__(self):
             return hash("GetVulnerabilityOccurrencesSummary")
 
-        __REQUIRED_FIELDS_DEFAULT_VALUES: Dict[str, str] = {}
+        __REQUIRED_FIELDS_DEFAULT_VALUES: Dict[str, Any] = {}
 
         @classmethod
         def _get_unset_required_fields(cls, message_dict):
@@ -583,7 +583,7 @@ class _SetIamPolicy(ContainerAnalysisRestStub):
         def __hash__(self):
             return hash("SetIamPolicy")
 
-        __REQUIRED_FIELDS_DEFAULT_VALUES: Dict[str, str] = {}
+        __REQUIRED_FIELDS_DEFAULT_VALUES: Dict[str, Any] = {}
 
         @classmethod
         def _get_unset_required_fields(cls, message_dict):
@@ -757,7 +757,7 @@ class _TestIamPermissions(ContainerAnalysisRestStub):
         def __hash__(self):
             return hash("TestIamPermissions")
 
-        __REQUIRED_FIELDS_DEFAULT_VALUES: Dict[str, str] = {}
+        __REQUIRED_FIELDS_DEFAULT_VALUES: Dict[str, Any] = {}
 
         @classmethod
         def _get_unset_required_fields(cls, message_dict):
diff --git a/google/cloud/devtools/containeranalysis_v1/types/containeranalysis.py b/google/cloud/devtools/containeranalysis_v1/types/containeranalysis.py
index 08b4aee..0bba47f 100644
--- a/google/cloud/devtools/containeranalysis_v1/types/containeranalysis.py
+++ b/google/cloud/devtools/containeranalysis_v1/types/containeranalysis.py
@@ -13,6 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+from __future__ import annotations
+
 from typing import MutableMapping, MutableSequence
 
 import grafeas.grafeas_v1  # type: ignore