The Dutch development sector is (modestly) celebrating its 65th anniversary this year. Is it time to retire, or should we continue? And if so; in what way? With shrinking development budgets on one side of the spectrum and a globally rising middle class on the other, domestic resource mobilisation and claim-making are presented as the future of international development. But what exactly does this approach entail? What are the challenges and opportunities concerned with it? This first contribution of the Change the Game online debate formulates the main points of discussion for the coming weeks.