Isaiah 19:21

19:21 Yahweh shall be known to Egypt, and the Egyptians shall know Yahweh in that day; yes, they shall worship with sacrifice and offering, and shall vow a vow to Yahweh, and shall perform it.
-World English Bible

Other Translation

19:21 And the LORD shall be known to Egypt, and the Egyptians shall know the LORD in that day, and shall do sacrifice and oblation; yea, they shall vow a vow unto the LORD, and perform [it].
-King James Version