Resolving dependencies... cabal: Could not resolve dependencies: next goal: BlogLiterately (user goal) rejecting: BlogLiterately-0.8.1.2, 0.8.1.1, 0.8.1, 0.8, 0.7.1.11, 0.7.1.10, 0.7.1.9, 0.7.1.8, 0.7.1.7, 0.7.1.6, 0.7.1.5, 0.7.1.4, 0.7.1.3, 0.7.1.2, 0.7.1.1, 0.7.1, 0.7.0.2, 0.7.0.1, 0.7, 0.6.3.1, 0.6.3, 0.6.2, 0.6.1, 0.6.0.2, 0.6.0.1, 0.6, 0.5.4.1, 0.5.4, 0.5.3, 0.5.2.1, 0.5.2, 0.5.1, 0.5, 0.4 (global constraint requires ==0.3) trying: BlogLiterately-0.3 next goal: base (dependency of BlogLiterately-0.3) rejecting: base-4.8.1.0/installed-4f7... (conflict: BlogLiterately => base>=4.0 && <4.3) rejecting: base-4.8.1.0, 4.8.0.0, 4.7.0.2, 4.7.0.1, 4.7.0.0, 4.6.0.1, 4.6.0.0, 4.5.1.0, 4.5.0.0, 4.4.1.0, 4.4.0.0, 4.3.1.0, 4.3.0.0, 4.2.0.2, 4.2.0.1, 4.2.0.0, 4.1.0.0, 4.0.0.0, 3.0.3.2, 3.0.3.1 (global constraint requires installed instance) Dependency tree exhaustively searched.