New International Version
He will not let your foot slip-- he who watches over you will not slumber;

American Standard Version
He will not suffer thy foot to be moved: He that keepeth thee will not slumber.

Berean Study Bible
He will not allow your foot to slip; your Protector will not slumber.

Douay-Rheims Bible
May he not suffer thy foot to be moved: neither let him slumber that keepeth thee.

English Revised Version
He will not suffer thy foot to be moved: he that keepeth thee will not slumber.

King James Bible
He will not suffer thy foot to be moved: he that keepeth thee will not slumber.

World English Bible
He will not allow your foot to be moved. He who keeps you will not slumber.

Young's Literal Translation
He suffereth not thy foot to be moved, Thy preserver slumbereth not.

Psalm 121:3 Additional Translations ...