New Living Translation
Then the LORD said, “My Spirit will not put up with humans for such a long time, for they are only mortal flesh. In the future, their normal lifespan will be no more than 120 years.”

American Standard Version
And Jehovah said, My spirit shall not strive with man for ever, for that he also is flesh: yet shall his days be a hundred and twenty years.

Berean Study Bible
So the LORD said, “My Spirit will not contend with man forever, for he is mortal; his days shall be 120 years.”

Douay-Rheims Bible
And God said: My spirit shall not remain in man for ever, because he is flesh, and his days shall be a hundred and twenty years.

English Revised Version
And the LORD said, My spirit shall not strive with man for ever, for that he also is flesh: yet shall his days be an hundred and twenty years.

King James Bible
And the LORD said, My spirit shall not always strive with man, for that he also is flesh: yet his days shall be an hundred and twenty years.

World English Bible
Yahweh said, "My Spirit will not strive with man forever, because he also is flesh; yet will his days be one hundred twenty years."

Young's Literal Translation
And Jehovah saith, 'My Spirit doth not strive in man -- to the age; in their erring they are flesh:' and his days have been an hundred and twenty years.

Genesis 6:3 Additional Translations ...