diff --git a/luigi/contrib/redis_store.py b/luigi/contrib/redis_store.py
index dc1c4fc096..dd8a00c22c 100644
--- a/luigi/contrib/redis_store.py
+++ b/luigi/contrib/redis_store.py
@@ -68,6 +68,7 @@ def __init__(self, host, port, db, update_id, password=None,
         self.redis_client = redis.StrictRedis(
             host=self.host,
             port=self.port,
+            password=self.password,
             db=self.db,
             socket_timeout=self.socket_timeout,
         )