New Revised Standard Version
The apostles said to the Lord, “Increase our faith!”

Contemporary English Version
The apostles said to the Lord, "Make our faith stronger!"

New American Bible
And the apostles said to the Lord, “Increase our faith.”

Douay-Rheims Bible
And the apostles said to the Lord: Increase our faith.

And the apostles said to the Lord: Increase our faith.

Increase.

Mark 9:24 And immediately the father of the boy crying out, with tears said: I do believe, Lord. Help my unbelief.

2 Corinthians 12:8-10 For which thing, thrice I besought the Lord that it might depart from me. . . .

Philippians 4:13 I can do all things in him who strengtheneth me.

2 Thessalonians 1:3 We are bound to give thanks always to God for you, brethren, as it is fitting, because your faith groweth exceedingly and the charity of every one of you towards each other aboundeth.

Hebrews 12:2 Looking on Jesus, the author and finisher of faith, who, having joy set before him, endured the cross, despising the shame, and now sitteth on the right hand of the throne of God.

1 Peter 1:22,23 Purifying your souls in the obedience of charity, with a brotherly love, from a sincere heart love one another earnestly: . . .