Psalm 81:9 in the King James Version
There shall no strange god be in thee; neither shalt thou worship any strange god.
Context
8 “Hear, my people, and I will testify to you, Israel, if you would listen to me!
9 There shall be no strange god in you, neither shall you worship any foreign god.
10 I am the LORD, your God, who brought you up out of the land of Egypt. Open your mouth wide, and I will fill it.