diff --git a/letta/groups/sleeptime_multi_agent_v2.py b/letta/groups/sleeptime_multi_agent_v2.py
index 0bc4b72c..bbcd5b4b 100644
--- a/letta/groups/sleeptime_multi_agent_v2.py
+++ b/letta/groups/sleeptime_multi_agent_v2.py
@@ -127,6 +127,7 @@ class SleeptimeMultiAgentV2(BaseAgent):
         input_messages: List[MessageCreate],
         max_steps: int = 10,
         use_assistant_message: bool = True,
+        request_start_timestamp_ns: Optional[int] = None,
     ):
         response = await self.step(input_messages, max_steps, use_assistant_message)