diff --git a/backend/app/main.py b/backend/app/main.py
index ea11fbe..92d4481 100644
--- a/backend/app/main.py
+++ b/backend/app/main.py
@@ -23,7 +23,8 @@ async def lifespan(app: FastAPI):
         Path(settings.data_dir, subdir).mkdir(parents=True, exist_ok=True)
     await run_seed()
     await init_redis()
-    yield
+    async with mcp.session_manager.run():
+        yield
     await close_redis()