diff --git a/api/configs/middleware/cache/redis_config.py b/api/configs/middleware/cache/redis_config.py
index 8e19b8c95e..2e98c31ec3 100644
--- a/api/configs/middleware/cache/redis_config.py
+++ b/api/configs/middleware/cache/redis_config.py
@@ -69,7 +69,7 @@ class RedisConfig(BaseSettings):
         default=0.1,
     )
 
-    REDIS_USE_CLUSTERS: Optional[bool] = Field(
+    REDIS_USE_CLUSTERS: bool = Field(
         description="Enable Redis Clusters mode for high availability",
         default=False,
     )