Swaddle help

So it's time for us to break our little girl from the swaddle, only problem is from 2 weeks old she hated her arms being in the swaddle so she have only swaddled her from her chest down as she likes her legs being swaddled. She has been breaking free from her swaddle and waking when it she is completely out of it. will a sleepsack be good enough to help the transition, or is there anything else I can try?