diff --git a/packages/google-cloud-workflows/tests/unit/gapic/executions_v1/test_executions.py b/packages/google-cloud-workflows/tests/unit/gapic/executions_v1/test_executions.py
index f4c3a24aecca..890f8bb6c16e 100644
--- a/packages/google-cloud-workflows/tests/unit/gapic/executions_v1/test_executions.py
+++ b/packages/google-cloud-workflows/tests/unit/gapic/executions_v1/test_executions.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
diff --git a/packages/google-cloud-workflows/tests/unit/gapic/executions_v1beta/test_executions.py b/packages/google-cloud-workflows/tests/unit/gapic/executions_v1beta/test_executions.py
index 1d3986336a97..715fc7e4a3e4 100644
--- a/packages/google-cloud-workflows/tests/unit/gapic/executions_v1beta/test_executions.py
+++ b/packages/google-cloud-workflows/tests/unit/gapic/executions_v1beta/test_executions.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
diff --git a/packages/google-cloud-workflows/tests/unit/gapic/workflows_v1/test_workflows.py b/packages/google-cloud-workflows/tests/unit/gapic/workflows_v1/test_workflows.py
index e922f56ee91e..27c285756ac2 100644
--- a/packages/google-cloud-workflows/tests/unit/gapic/workflows_v1/test_workflows.py
+++ b/packages/google-cloud-workflows/tests/unit/gapic/workflows_v1/test_workflows.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
diff --git a/packages/google-cloud-workflows/tests/unit/gapic/workflows_v1beta/test_workflows.py b/packages/google-cloud-workflows/tests/unit/gapic/workflows_v1beta/test_workflows.py
index 3e3e0698fa31..5226989f6d47 100644
--- a/packages/google-cloud-workflows/tests/unit/gapic/workflows_v1beta/test_workflows.py
+++ b/packages/google-cloud-workflows/tests/unit/gapic/workflows_v1beta/test_workflows.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