diff --git a/backend/requirements.txt b/backend/requirements.txt
index 4052a09..af97e52 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -6,7 +6,7 @@ pydantic-settings>=2.13.0
 asyncpg>=0.31.0
 aiosqlite>=0.22.1
 # arq 0.28 仍锁 redis<6 且已进入 maintenance-only，这里必须加上限以避免 pip 飘到 redis 7.x 引发冲突
-redis[hiredis]>=5.0.0,<6.0.0
+redis[hiredis]>=7.4.0,<8.0.0
 websockets>=16.0
 python-dotenv>=1.2.1
 agentscope>=1.0.18