I believe Article 5 allows for the Amendment process to also be started in the State Legislatures.. I will have to check that. Our Founders were quite wise (unless todays corrupt leaders)
It still has to pass the Senate though.
Article V says the state Legislatures can propose an amendment: “The Congress, whenever 2/3rds of the both Houses shall deem it necessary, shall propose Amendments to this Constitution, or on the Application of the Legislatures of two thirds of the several States, shall call a Convention for proposing Amendment....”