Resolving dependencies... cabal: Could not resolve dependencies: next goal: ekg-bosun (user goal) rejecting: ekg-bosun-1.0.5, 1.0.4, 1.0.3, 1.0.2 (global constraint requires ==1.0.1) trying: ekg-bosun-1.0.1 next goal: base (dependency of ekg-bosun-1.0.1) rejecting: base-4.8.1.0/installed-4f7... (conflict: ekg-bosun => base>=4.7 && <4.8) 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.