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I've had really good luck with asdf (https://asdf-vm.com) to manage per-project versions to avoid this sort of thing.

Weird, there are two package management things called asdf. Here is the lisp one: https://asdf.common-lisp.dev/

also check out rtx (my project), which does everything asdf does but 20x-200x faster and with better UX https://rtx.pub