diff --git a/packages/queue/src/Queue/Connection/Redis.php b/packages/queue/src/Queue/Connection/Redis.php
index 5f15dfd13..a5726fcfb 100644
--- a/packages/queue/src/Queue/Connection/Redis.php
+++ b/packages/queue/src/Queue/Connection/Redis.php
@@ -202,6 +202,12 @@ protected function getRedis(): \Redis
             try {
                 $redis->connect($this->host, $this->port, $connectTimeout);
 
+                if ($this->password !== null && $this->password !== '') {
+                    // ACL form when a username is configured, plain password otherwise.
+                    $hasUser = $this->user !== null && $this->user !== '';
+                    $redis->auth($hasUser ? [$this->user, $this->password] : $this->password);
+                }
+
                 if ($this->readTimeout >= 0) {
                     $redis->setOption(\Redis::OPT_READ_TIMEOUT, $this->readTimeout);
                 }