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

Psalms 131:9

Thy priests shall clothe themselves with righteousness; and thy saints shall exult.

Parallel Translations

LXX2012View canonical →
Your priests shall clothe themselves with righteousness; and your saints shall exult.
Septuagint in American English (2012)