<p>According to longtermism, the future involves very high stakes, so society should reallocate resources towards improving the far-future. This would, however, comes at the expense of systematically neglecting present or near-future individuals who are in need. This paper argues that given normative uncertainty and reasonable disagreement about the stakes, resource allocations toward the future should be justified to present individuals who would be harmed by these reallocations, on terms that they can accept from their own moral perspectives. I develop the principle of Resource-Use Justification, on the model of public justification, to explain the conditions under which such justification is provided.</p>