Resolving dependencies... cabal: Could not resolve dependencies: next goal: ghcjs-dom (user goal) rejecting: ghcjs-dom-0.2.3.0, 0.2.2.0, 0.2.1.0, 0.1.1.3, 0.1.1.2, 0.1.1.1, 0.1.1.0, 0.1.0.0, 0.0.10, 0.0.9, 0.0.8, 0.0.7, 0.0.6, 0.0.4, 0.0.3, 0.0.2 (global constraint requires ==0.0.1) trying: ghcjs-dom-0.0.1 trying: base-4.8.1.0/installed-4f7... (dependency of ghcjs-dom-0.0.1) next goal: transformers (dependency of ghcjs-dom-0.0.1) rejecting: transformers-0.4.2.0/installed-21d..., 0.4.3.0, 0.4.2.0, 0.4.1.0 (conflict: ghcjs-dom => transformers>=0.3.0.0 && <0.4) trying: transformers-0.3.0.0 rejecting: transformers-0.3.0.0:+applicativeinbase (conflict: base==4.8.1.0/installed-4f7..., transformers-0.3.0.0:applicativeinbase => base>=2 && <4.8) rejecting: transformers-0.3.0.0:-applicativeinbase (conflict: base==4.8.1.0/installed-4f7..., transformers-0.3.0.0:applicativeinbase => base>=1.0 && <2) Dependency tree exhaustively searched.