cabal-install-3.4.0.0 Hackage: https://hackage.haskell.org/package/cabal-install Github: https://github.com/haskell/cabal/releases/tag/cabal-install-3.4.0.0 Haskell: https://www.haskell.org/cabal/download.html (まだ3.2.0.0かも)