diff --git a/backend/requirements.txt b/backend/requirements.txt
index 4a94f68..977311f 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -15,7 +15,7 @@ playwright-stealth>=1.0.6
 
 # === 数据库 ===
 sqlalchemy>=2.0.0
-aiosqlite>=0.19.0
+aiosqlite>=0.22.1
 
 # === 开发依赖 (生产不需要) ===
 # pytest>=8.0.0