diff --git a/backend/open_webui/main.py b/backend/open_webui/main.py
index 4b7622a833..9c5f538562 100644
--- a/backend/open_webui/main.py
+++ b/backend/open_webui/main.py
@@ -382,12 +382,12 @@ async def lifespan(app: FastAPI):
         limiter = anyio.to_thread.current_default_thread_limiter()
         limiter.total_tokens = THREAD_POOL_SIZE
 
-    asyncio.create_task(periodic_usage_pool_cleanup())
-    asyncio.create_task(periodic_session_pool_cleanup())
+    app.state.periodic_usage_pool_cleanup = asyncio.create_task(periodic_usage_pool_cleanup())
+    app.state.periodic_session_pool_cleanup = asyncio.create_task(periodic_session_pool_cleanup())
 
     from open_webui.utils.automations import scheduler_worker_loop
 
-    asyncio.create_task(scheduler_worker_loop(app))
+    app.state.scheduler_worker_loop = asyncio.create_task(scheduler_worker_loop(app))
 
     if await Config.get('models.base_models_cache'):
         try:
@@ -468,6 +468,10 @@ async def lifespan(app: FastAPI):
     if hasattr(app.state, 'redis_task_command_listener'):
         app.state.redis_task_command_listener.cancel()
 
+    app.state.periodic_usage_pool_cleanup.cancel()
+    app.state.periodic_session_pool_cleanup.cancel()
+    app.state.scheduler_worker_loop.cancel()
+
     await publish_event(app, EVENTS.SYSTEM_SHUTDOWN_COMPLETED, source='system')