https://github.com/snapframework/io-streams/blob/6ad6b7d088306fbea0a450ea46a2004bbb595b80/io-streams.cabal#L239 See: https://github.com/snapframework/io-streams/actions/runs/10947293619/job/30395710108?pr=92#step:21:31 > Error: [missing-bounds-important] The dependency 'build-depends: base' does not specify an upper bound on the version number.