diff --git a/pkgs/development/libraries/haskell/multiplate/default.nix b/pkgs/development/libraries/haskell/multiplate/default.nix index b53c0b955e5..ac572b7c59a 100644 --- a/pkgs/development/libraries/haskell/multiplate/default.nix +++ b/pkgs/development/libraries/haskell/multiplate/default.nix @@ -5,6 +5,9 @@ cabal.mkDerivation (self: { version = "0.0.1.1"; sha256 = "00rxgkvgx1rfvk15gjyyg00vqyg4j24d8d19q6rj07j2mgfvdxw6"; buildDepends = [ transformers ]; + patchPhase = '' + sed -i -e 's|transformers >= 0.2 && < 0.3|transformers|' multiplate.cabal + ''; meta = { homepage = "http://haskell.org/haskellwiki/Multiplate"; description = "Lightweight generic library for mutually recursive data types";