Deuteronomy 13:6

2and the sign or the wonder comes to pass, of which he spoke to you, saying, “Let’s go after other gods” (which you have not known) “and let’s serve them,”

3you shall not listen to the words of that prophet, or to that dreamer of dreams; for the LORD your God is testing you, to know whether you love the LORD your God with all your heart and with all your soul.

4You shall walk after the LORD your God, fear him, keep his commandments, and obey his voice. You shall serve him, and cling to him.

5That prophet, or that dreamer of dreams, shall be put to death, because he has spoken rebellion against the LORD your God, who brought you out of the land of Egypt and redeemed you out of the house of bondage, to draw you aside out of the way which the LORD your God commanded you to walk in. So you shall remove the evil from among you.

6If your brother, the son of your mother, or your son, or your daughter, or the wife of your bosom, or your friend who is as your own soul, entices you secretly, saying, “Let’s go and serve other gods”—which you have not known, you, nor your fathers;

7of the gods of the peoples who are around you, near to you, or far off from you, from the one end of the earth even to the other end of the earth—

8you shall not consent to him nor listen to him; neither shall your eye pity him, neither shall you spare, neither shall you conceal him;

9but you shall surely kill him. Your hand shall be first on him to put him to death, and afterwards the hands of all the people.

10You shall stone him to death with stones, because he has sought to draw you away from the LORD your God, who brought you out of the land of Egypt, out of the house of bondage.