Creating a budget after income rises and old categories stop making sense

My income recently increased, and the old budget categories no longer reflect how I want to use the extra money. I can comfortably cover basics, which makes it easier to spend casually without noticing. I'm considering resetting from goals rather than last year's amounts: retirement contributions first, a travel fund, a little lifestyle improvement and a buffer. How do you avoid either inflating every category automatically or pretending a raise should change nothing enjoyable?