--allow-newer is a blunt instrument, not much surprise it fails. Use a more precise incantation: cabal build --allow-newer='cabal-bounds:*,cabal-lenses:*’ works fine for me.

On 31 May 2024, at 14:17, Daniel Trstenjak <daniel.trstenjak@gmail.com> wrote:

> Sharing your project would help, otherwise it’s hard to diagnose.

The project is https://github.com/dan-t/cabal-bounds. Cloning the current version
and building it with ghc-9.8.2, cabal-3.10.3.0 and ´cabal build —allow-newer´ should result in the
described error.

Greetings,
Daniel
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