Exodus 34:14

For thou shalt worship no other god: for the LORD, whose name is Jealous, is a jealous God:
— Exodus 34:14, King James Version

In other translations

World English Bible (WEB)

for you shall worship no other god: for Yahweh, whose name is Jealous, is a jealous God.

American Standard Version (ASV)

(for thou shalt worship no other god: for Jehovah, whose name is Jealous, is a jealous God);

Young's Literal Translation (YLT)

for ye do not bow yourselves to another god--for Jehovah, whose name <FI>is<Fi> Zealous, is a zealous God.