diff --git a/README.md b/README.md
index 83885f1..289c36a 100644
--- a/README.md
+++ b/README.md
@@ -99,12 +99,13 @@ Here's the available flags:
 _Note_: Use `--redis-url` to specify address, db-number, and password with one flag value; Alternatively, use `--redis-addr`, `--redis-db`, and `--redis-password` to specify each value.
 
 | Flag                              | Env                       | Description                                                                                                                  | Default          |
-| --------------------------------- | ------------------------- | ---------------------------------------------------------------------------------------------------------------------------- | ---------------- |
+|-----------------------------------|---------------------------|------------------------------------------------------------------------------------------------------------------------------| ---------------- |
 | `--port`(int)                     | `PORT`                    | port number to use for web ui server                                                                                         | 8080             |
 | `---redis-url`(string)            | `REDIS_URL`               | URL to redis or sentinel server. See [godoc](https://pkg.go.dev/github.com/hibiken/asynq#ParseRedisURI) for supported format | ""               |
 | `--redis-addr`(string)            | `REDIS_ADDR`              | address of redis server to connect to                                                                                        | "127.0.0.1:6379" |
 | `--redis-db`(int)                 | `REDIS_DB`                | redis database number                                                                                                        | 0                |
 | `--redis-password`(string)        | `REDIS_PASSWORD`          | password to use when connecting to redis server                                                                              | ""               |
+| `--redis-username`(string)        | `REDIS_USERNAME`          | user name to use when connecting to redis server                                                                             | ""               |
 | `--redis-cluster-nodes`(string)   | `REDIS_CLUSTER_NODES`     | comma separated list of host:port addresses of cluster nodes                                                                 | ""               |
 | `--redis-tls`(string)             | `REDIS_TLS`               | server name for TLS validation used when connecting to redis server                                                          | ""               |
 | `--redis-insecure-tls`(bool)      | `REDIS_INSECURE_TLS`      | disable TLS certificate host checks                                                                                          | false            |