@@ -20,7 +20,7 @@ in
2020 version = cabal2nixSrc.gitTag;
2121 isLibrary = false;
2222 isExecutable = true;
23− buildDepends = with haskellPackages; [ Cabal filepath hackageDb HTTP mtl regexPosix ];
23+ buildDepends = with haskellPackages; [ Cabal filepath hackageDb mtl regexPosix transformers ];
2424 testDepends = with haskellPackages; [ doctest ];
2525 doCheck = self.stdenv.lib.versionOlder "7.6" self.ghc.version;
2626 meta = {