Berean Study Bible (BSB) - Psalms 137:8 >

O Daughter of Babylon, doomed to destruction, blessed is he who repays you as you have done to us.

Jewish Publication Society of America Version (JPS1917) - Psalms 137:8 >

O daughter of Babylon, that art to be destroyed; happy shall he be, that repayeth thee as thou hast served us.