diff --git a/stack-8.6.5.yaml b/stack-8.6.5.yaml index 1ba2251d88f..1328b2006f2 100644 --- a/stack-8.6.5.yaml +++ b/stack-8.6.5.yaml @@ -80,6 +80,7 @@ extra-deps: - optparse-applicative-0.15.1.0 - ormolu-0.1.4.1 - parser-combinators-1.2.1 + - prettyprinter-1.6.2 - primitive-0.7.1.0 - refinery-0.4.0.0 - regex-base-0.94.0.0