Resolving dependencies... cabal: Could not resolve dependencies: next goal: yesod-recaptcha (user goal) rejecting: yesod-recaptcha-1.4, 1.2.3.2, 1.2.3, 1.2.2, 1.2.1, 1.2, 1.1.0.4, 1.1.0.3, 1.1.0.2 (global constraint requires ==1.1.0.1) trying: yesod-recaptcha-1.1.0.1 next goal: conduit (dependency of yesod-recaptcha-1.1.0.1) rejecting: conduit-1.2.4.2, 1.2.4.1, 1.2.4, 1.2.3.1, 1.2.3, 1.2.2.2, 1.2.2.1, 1.2.2, 1.2.1, 1.2.0.2, 1.2.0.1, 1.2.0, 1.1.7, 1.1.6, 1.1.5, 1.1.4, 1.1.3, 1.1.2.1, 1.1.2, 1.1.1.1, 1.1.1, 1.1.0.2, 1.1.0.1, 1.1.0, 1.0.17.1, 1.0.17, 1.0.16, 1.0.15.1, 1.0.15, 1.0.14, 1.0.13.1, 1.0.13, 1.0.12, 1.0.11.1, 1.0.11, 1.0.10.1, 1.0.10, 1.0.9.3, 1.0.9.2, 1.0.9.1, 1.0.9, 1.0.8, 1.0.7.4, 1.0.7.3, 1.0.7.2, 1.0.7.1, 1.0.7, 1.0.6, 1.0.5.1, 1.0.5, 1.0.4.2, 1.0.4.1, 1.0.4, 1.0.3, 1.0.2, 1.0.1, 1.0.0.2, 1.0.0.1, 1.0.0 (conflict: yesod-recaptcha => conduit==0.5.*) trying: conduit-0.5.6 trying: transformers-0.3.0.0/installed-16a... (dependency of conduit-0.5.6) next goal: monad-control (dependency of conduit-0.5.6) rejecting: monad-control-1.0.0.4, 1.0.0.3, 1.0.0.2, 1.0.0.1, 1.0.0.0 (conflict: conduit => monad-control>=0.3.1 && <0.4) trying: monad-control-0.3.3.1 trying: transformers-compat-0.4.0.4 (dependency of monad-control-0.3.3.1) trying: transformers-compat-0.4.0.4:-two rejecting: transformers-compat-0.4.0.4:-three (conflict: transformers==0.3.0.0/installed-16a..., transformers-compat-0.4.0.4:three => transformers>=0.4.1 && <0.5) rejecting: transformers-compat-0.4.0.4:+three (manual flag can only be changed explicitly) Backjump limit reached (change with --max-backjumps).