hfsevents.diff

diff --git a/pkgs/development/haskell-modules/hackage-packages.nix b/pkgs/development/haskell-modules/hackage-packages.nix
index de8865e..1a6644f 100644
--- a/pkgs/development/haskell-modules/hackage-packages.nix
+++ b/pkgs/development/haskell-modules/hackage-packages.nix
@@ -118977,13 +118977,16 @@ self: {
      }) {};
 
   "hfsevents" = callPackage
-    ({ mkDerivation }:
+    ({ mkDerivation, cereal, mtl, text }:
      mkDerivation {
        pname = "hfsevents";
        version = "0.1.6";
        sha256 = "74c3f3f3a5e55fff320c352a2d481069ff915860a0ab970864c6a0e6b65d3f05";
-       isLibrary = false;
+       isLibrary = true;
        isExecutable = false;
+       libraryHaskellDepends = [
+         cereal mtl text
+       ];
        homepage = "http://github.com/luite/hfsevents";
        description = "File/folder watching for OS X";
        license = stdenv.lib.licenses.bsd3;