“Then said they unto him, What shall we do, that we might work the works of God? Jesus answered and said unto them, This is the work of God, that ye believe on him whom he hath sent.” John 6:28-29
Yes, of course. both faith and good works are necessary. This passage says that they go together: if you believe you will do good works, and if you do good works you believe. You are not saved by faith alone, nor by works alone.