diff --git a/agent.py b/agent.py
index 13fafb0..0d8354b 100644
--- a/agent.py
+++ b/agent.py
@@ -831,7 +831,7 @@ class ProductionIncidentCommander(A2AAgent[CommanderConfig, NoAuth]):
         incident_id: Annotated[str, Field(pattern=INCIDENT_ID_RE)],
         include_customer_summary: bool = True,
         include_action_items: bool = True,
-    ) -> Postmortem:
+    ) -> dict[str, Any]:
         await emit_phase(ctx, "postmortem", status="started")
         diagnosis: IncidentDiagnosis | None = None
         try: