Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why
LXX2012

Isaiah 51:6

Lift up your eyes to the sky, and look on the earth beneath: for the sky was darkened like smoke, and the earth shall wax old like a garment, and the inhabitants shall die in like manner: but my righteousness shall not fail.

Read in other translations