diff --git a/tests/unit/agentplatform/frameworks/test_frameworks_adk.py b/tests/unit/agentplatform/frameworks/test_frameworks_adk.py
index 59f5f85368..6da7d41409 100644
--- a/tests/unit/agentplatform/frameworks/test_frameworks_adk.py
+++ b/tests/unit/agentplatform/frameworks/test_frameworks_adk.py
@@ -993,6 +993,8 @@ async def test_async_artifact_management_lazy_init(
             version=0,
         )
         assert app7._tmpl_attrs.get("artifact_service") is not None
+
+    @pytest.mark.asyncio
     async def test_async_add_session_to_memory_dict(
         self,
         get_project_id_mock: mock.Mock,