diff --git a/tests/unit/gapic/containeranalysis_v1/test_container_analysis.py b/tests/unit/gapic/containeranalysis_v1/test_container_analysis.py
index a54f7e3..b977996 100644
--- a/tests/unit/gapic/containeranalysis_v1/test_container_analysis.py
+++ b/tests/unit/gapic/containeranalysis_v1/test_container_analysis.py
@@ -27,7 +27,7 @@
 import math
 import pytest
 from proto.marshal.rules.dates import DurationRule, TimestampRule
-
+from proto.marshal.rules import wrappers
 
 from google.api_core import client_options
 from google.api_core import exceptions as core_exceptions