Resolving dependencies... cabal: Could not resolve dependencies: next goal: hs-pkpass (user goal) rejecting: hs-pkpass-0.4, 0.3, 0.2, 0.1.2.2 (global constraint requires ==0.1.2.0) trying: hs-pkpass-0.1.2.0 trying: base-4.7.0.1/installed-e4b... (dependency of hs-pkpass-0.1.2.0) next goal: directory (dependency of hs-pkpass-0.1.2.0) rejecting: directory-1.2.1.0/installed-4c4..., 1.2.2.1, 1.2.2.0, 1.2.1.0, 1.2.0.1, 1.2.0.0 (conflict: hs-pkpass => directory==1.1.*) rejecting: directory-1.1.0.2 (conflict: base==4.7.0.1/installed-e4b..., directory => base>=4.4 && <4.6) rejecting: directory-1.1.0.1 (conflict: base==4.7.0.1/installed-e4b..., directory => base>=4.2 && <4.5) rejecting: directory-1.1.0.0 (conflict: base==4.7.0.1/installed-e4b..., directory => base>=4.2 && <4.4) rejecting: directory-1.0.1.2, 1.0.1.1, 1.0.1.0, 1.0.0.3, 1.0.0.0 (conflict: hs-pkpass => directory==1.1.*) Dependency tree exhaustively searched.