Resolving dependencies... cabal: Could not resolve dependencies: trying: th-instances-0.1.0.14 (user goal) trying: th-kinds-0.1.1 (dependency of th-instances-0.1.0.14) next goal: template-haskell (dependency of th-instances-0.1.0.14) rejecting: template-haskell-2.11.0.0/installed-2.1..., template-haskell-2.11.0.0, template-haskell-2.10.0.0, template-haskell-2.9.0.0, template-haskell-2.8.0.0, template-haskell-2.7.0.0, template-haskell-2.6.0.0 (conflict: th-kinds => template-haskell==2.4.0.1) rejecting: template-haskell-2.5.0.0, template-haskell-2.4.0.1, template-haskell-2.4.0.0, template-haskell-2.3.0.1, template-haskell-2.3.0.0, template-haskell-2.2.0.0 (conflict: th-instances => template-haskell>=2.6.0) Dependency tree exhaustively searched.