King James Version
Then thine heart be lifted up, and thou forget the LORD thy God, which brought thee forth out of the land of Egypt, from the house of bondage;English Standard Version
then your heart be lifted up, and you forget the LORD your God, who brought you out of the land of Egypt, out of the house of slavery,New International Version
then your heart will become proud and you will forget the LORD your God, who brought you out of Egypt, out of the land of slavery.