Resolving dependencies... cabal: Could not resolve dependencies: trying: haskell-tools-cli-0.9.0.0 (user goal) next goal: haskell-tools-daemon (dependency of haskell-tools-cli-0.9.0.0) rejecting: haskell-tools-daemon-0.8.1.0, haskell-tools-daemon-0.8.0.0, haskell-tools-daemon-0.7.0.0, haskell-tools-daemon-0.6.0.0, haskell-tools-daemon-0.5.0.0, haskell-tools-daemon-0.4.1.3, haskell-tools-daemon-0.4.1.1, haskell-tools-daemon-0.4.1.0, haskell-tools-daemon-0.4.0.0 (conflict: haskell-tools-cli => haskell-tools-daemon>=0.9 && <0.10) Dependency tree exhaustively searched.