Have you ever tried to make a change – or even a small tweak – that you are certain will improve your government’s efficiency or results, and yet colleagues seem to resist your every move? Or have you tried to make a change in your own leadership style, perhaps to micromanage less or advocate more for controversial ideas, but you find yourself quickly reverting to old, familiar habits? In this quick read, we’ll outline a leadership development framework developed by Robert Kegan and Lisa Lahey called “Immunity to Change” and provide examples of how this framework can be used to achieve procurement transformation by overcoming resistance to change.