diff --git a/pkgs/development/haskell-modules/configuration-ghc-8.6.x.nix b/pkgs/development/haskell-modules/configuration-ghc-8.6.x.nix index 1f019c1a582..1f76e8185a5 100644 --- a/pkgs/development/haskell-modules/configuration-ghc-8.6.x.nix +++ b/pkgs/development/haskell-modules/configuration-ghc-8.6.x.nix @@ -56,6 +56,7 @@ self: super: { hspec = self.hspec_2_5_8; hspec-core = self.hspec-core_2_5_8; hspec-discover = self.hspec-discover_2_5_8; + hspec-megaparsec = doJailbreak super.hspec-megaparsec; # newer versions need megaparsec 7.x hspec-meta = self.hspec-meta_2_5_6; JuicyPixels = self.JuicyPixels_3_3_2; lens = self.lens_4_17;