Resolving dependencies... cabal: Could not resolve dependencies: [__0] trying: evoke-0.2021.8.25 (user goal) [__1] next goal: ghc (dependency of evoke) [__1] rejecting: ghc-8.10.2/installed-8.10.2 (conflict: evoke => ghc>=8.10.4 && <8.11) [__1] skipping: ghc-8.10.2, ghc-8.10.1, ghc-8.8.3, ghc-8.8.1, ghc-8.6.5, ghc-8.6.4, ghc-8.6.1, ghc-8.4.4, ghc-8.4.3, ghc-8.4.1, ghc-8.2.2, ghc-8.2.1 (has the same characteristics that caused the previous version to fail: excluded by constraint '>=8.10.4 && <8.11' from 'evoke') [__1] fail (backjumping, conflict set: evoke, ghc) After searching the rest of the dependency tree exhaustively, these were the goals I've had most trouble fulfilling: evoke, ghc