diff --git a/lib/document_stores/redis.js b/lib/document_stores/redis.js
index 859ea73..2301bbe 100644
--- a/lib/document_stores/redis.js
+++ b/lib/document_stores/redis.js
@@ -25,6 +25,10 @@ RedisDocumentStore.connect = function(options) {
   var port = options.port || 6379;
   var index = options.db || 0;
   RedisDocumentStore.client = redis.createClient(port, host);
+  // authenticate if password is provided
+  if (options.password) {
+      RedisDocumentStore.client.auth(options.password);
+  }
   RedisDocumentStore.client.select(index, function(err, reply) {
     if (err) {
       winston.error(