Newupdater set API token, but it doesn't work

`	up, err := selfupdate.NewUpdater(selfupdate.Config{
		APIToken: "****",
	})
	if err != nil {
		fmt.Println(err)
	}
	latest, found, err := up.DetectLatest("username/repo")
	if err != nil {
		log.Println("Error occurred while detecting version:", err)
		return
	}`