diff --git a/pkgs/development/haskell-modules/configuration-ghc-8.4.x.nix b/pkgs/development/haskell-modules/configuration-ghc-8.4.x.nix index 78de4d8499b..84cf5ac6d72 100644 --- a/pkgs/development/haskell-modules/configuration-ghc-8.4.x.nix +++ b/pkgs/development/haskell-modules/configuration-ghc-8.4.x.nix @@ -783,4 +783,7 @@ self: super: { # https://github.com/bitemyapp/esqueleto/issues/77 esqueleto = markBrokenVersion "2.5.3" super.esqueleto; + # Older versions don't compile. + hackage-db = super.hackage-db_2_0_1; + }