diff --git a/README.md b/README.md
index 2807f71..4bd1f65 100644
--- a/README.md
+++ b/README.md
@@ -89,6 +89,7 @@ func main() {
 		// Use Redis for caching
 		RedisOptions: &geofencecache.RedisOptions{
 			Addr:     "localhost:6379",
+			Username: "", // no username set
 			Password: "", // no password set
 			DB:       0,  // use default DB
 		},
diff --git a/cache/redis.go b/cache/redis.go
index e276e91..cc55aee 100644
--- a/cache/redis.go
+++ b/cache/redis.go
@@ -17,6 +17,7 @@ type RedisCache struct {
 // RedisOptions holds redis configuration parameters.
 type RedisOptions struct {
 	Addr     string
+	Username string
 	Password string
 	DB       int
 	TTL      time.Duration
@@ -27,6 +28,7 @@ func NewRedisCache(redisOpts *RedisOptions) *RedisCache {
 	return &RedisCache{
 		redisClient: redis.NewClient(&redis.Options{
 			Addr:     redisOpts.Addr,
+			Username: redisOpts.Username,
 			Password: redisOpts.Password,
 			DB:       redisOpts.DB,
 		}),