Leviticus 24:15-16

24:15 And thou shalt speak unto the children of Israel, saying, Whosoever curseth his God shall bear his sin. 24:16 And he that blasphemeth the name of the LORD, he shall surely be put to death, [and] all the congregation shall certainly stone him: as well the stranger, as he that is born in the land, when he blasphemeth the name [of the LORD], shall be put to death.