To install latest version with LTS resolver (14.10 should be fine), add these extra packages to your global stack project: resolver: lts-14.10 extra-deps: - hsdev-0.3.3.5 - haddock-api-2.21.0 # not required if you disable `docs` flag - hdocs-0.5.3.1 # not required if you disable `docs` flag And install with stack install hsdev If you want to use latest nightly resolver and ghc-8.8, then there are