Resolving dependencies... cabal: Could not resolve dependencies: [__0] next goal: lifx-lan (user goal) [__0] rejecting: lifx-lan-0.7 (conflict: requires OverloadedRecordDot) [__0] rejecting: lifx-lan-0.6.2, lifx-lan-0.6.1, lifx-lan-0.6.0.1, lifx-lan-0.6, lifx-lan-0.5.1.1, lifx-lan-0.5.1, lifx-lan-0.5.0.1, lifx-lan-0.5.0, lifx-lan-0.4.0.1, lifx-lan-0.4.0, lifx-lan-0.3.0, lifx-lan-0.2.0, lifx-lan-0.1.0.2, lifx-lan-0.0, lifx-lan-0.1.0.1, lifx-lan-0.1.0.0 (constraint from user target requires ==0.7) [__0] fail (backjumping, conflict set: lifx-lan) After searching the rest of the dependency tree exhaustively, these were the goals I've had most trouble fulfilling: lifx-lan