diff --git a/backend/requirements.txt b/backend/requirements.txt
index 690b9c9..c6d3b29 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -22,7 +22,7 @@ asyncpg>=0.31.0
 psycopg2-binary>=2.9.9
 
 # Redis Cache (optional)
-redis>=5.0.0
+redis>=8.0.0
 
 # In-memory cache (fallback)
 cachetools>=5.3.0