Deuteronomy 15:12

15:12 If your brother, a Hebrew man, or a Hebrew woman, be sold to you, and serve you six years; then in the seventh year you shall let him go free from you.
-World English Bible

Other Translation

15:12 [And] if thy brother, an Hebrew man, or an Hebrew woman, be sold unto thee, and serve thee six years; then in the seventh year thou shalt let him go free from thee.
-King James Version