On October 24, 2020, the Treaty on the Prohibition of Nuclear Weapons (TPNW) reached the 50th ratification needed for it to become legally binding. This paper looks at possible convergences between the NPT and the TPNW: How can the international community ensure complementarity between the two treaties? How can states parties to the NPT and the TPNW jointly advance nuclear disarmament, to their mutual benefit? And how could such cooperation be constructively reflected in the outcome of the 10th NPT Review Conference?