private function askForPassword($question)
    {
        $questionHelper = new QuestionHelper();

        $question = new Question($question);
        $question->setHidden(true);
        $question->setHiddenFallback(false);

        $password = $questionHelper->ask($this->input, $this->output, $question);
        $this->output->writeln('');

        return $password;
    }