diff --git a/backend/requirements.txt b/backend/requirements.txt
index 4a94f68..1064a0d 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -1,5 +1,5 @@
 # === 核心依赖 ===
-fastapi>=0.109.0
+fastapi>=0.136.1
 uvicorn[standard]>=0.27.0
 pydantic>=2.6.0
 python-dotenv>=1.0.0