King James Version
For then will I turn to the people a pure language, that they may all call upon the name of the LORD, to serve him with one consent.New International Version
"Then will I purify the lips of the peoples, that all of them may call on the name of the LORD and serve him shoulder to shoulder.Catholic Public Domain Version
For then I will restore to the people a chosen lip, so that all may invoke the name of the Lord and may serve him with one shoulder