diff --git a/api/core/workflow/graph_engine/event_management/event_handlers.py b/api/core/workflow/graph_engine/event_management/event_handlers.py
index fe99d3ad50..b054ebd7ad 100644
--- a/api/core/workflow/graph_engine/event_management/event_handlers.py
+++ b/api/core/workflow/graph_engine/event_management/event_handlers.py
@@ -24,6 +24,7 @@ from core.workflow.graph_events import (
     NodeRunLoopStartedEvent,
     NodeRunLoopSucceededEvent,
     NodeRunPauseRequestedEvent,
+    NodeRunRetrieverResourceEvent,
     NodeRunRetryEvent,
     NodeRunStartedEvent,
     NodeRunStreamChunkEvent,
@@ -112,6 +113,7 @@ class EventHandler:
     @_dispatch.register(NodeRunLoopSucceededEvent)
     @_dispatch.register(NodeRunLoopFailedEvent)
     @_dispatch.register(NodeRunAgentLogEvent)
+    @_dispatch.register(NodeRunRetrieverResourceEvent)
     def _(self, event: GraphNodeEventBase) -> None:
         self._event_collector.collect(event)