Finland has officially revoked its long-standing prohibition on nuclear weapons, a significant policy shift following its accession to NATO in April 2023. This decision removes a legal obstacle that previously prevented the potential stationing of nuclear warheads on Finnish territory. The move is widely interpreted as a direct consequence of heightened tensions with Russia and a reassessment of Finland’s security needs. While the Finnish government has stated it does not currently plan to host nuclear weapons, the repeal allows for that possibility in the future. The change in policy aligns Finland more closely with NATO’s nuclear deterrence strategy. This development is likely to further escalate concerns in Moscow regarding NATO’s eastward expansion and military posture near its borders. The repeal was enacted with little public debate, prompting criticism from disarmament advocates.