diff --git a/task-sdk/tests/task_sdk/definitions/test_xcom_arg.py b/task-sdk/tests/task_sdk/definitions/test_xcom_arg.py
index 6cabe0f1fdc74..21ef78dd549cf 100644
--- a/task-sdk/tests/task_sdk/definitions/test_xcom_arg.py
+++ b/task-sdk/tests/task_sdk/definitions/test_xcom_arg.py
@@ -131,6 +131,7 @@ def c_to_none(v):
                 "timestamp": mock.ANY,
                 "exception": [
                     {
+                        "exc_notes": [],
                         "exc_type": "ValueError",
                         "exc_value": "expand_kwargs() expects a list[dict], not list[None]",
                         "frames": mock.ANY,
@@ -174,6 +175,7 @@ def does_not_work_with_c(v):
                 "timestamp": mock.ANY,
                 "exception": [
                     {
+                        "exc_notes": [],
                         "exc_type": "RuntimeError",
                         "exc_value": "nope",
                         "frames": mock.ANY,