diff --git a/pkgs/development/libraries/haskell/enumerator/default.nix b/pkgs/development/libraries/haskell/enumerator/default.nix
index 8cd33a19325..1316810cf95 100644
--- a/pkgs/development/libraries/haskell/enumerator/default.nix
+++ b/pkgs/development/libraries/haskell/enumerator/default.nix
@@ -1,13 +1,15 @@
-{cabal, text, transformers}:
+{cabal, text, transformers} :
 
 cabal.mkDerivation (self : {
   pname = "enumerator";
-  version = "0.4.9.1";
-  sha256 = "1rnhapj5am1rv3dff2bkhch7ikpyhs18nay39h0805xl50dcyw99";
-  propagatedBuildInputs = [text transformers];
+  version = "0.4.13.1";
+  sha256 = "5fcafe316444adfb66c213ffb71359560f48eafe03bb2df99bfba17d2e3153c8";
+  propagatedBuildInputs = [ text transformers ];
   meta = {
+    homepage = "http://john-millikin.com/software/enumerator/";
     description = "Reliable, high-performance processing with left-fold enumerators";
-    license = "MIT";
+    license = self.stdenv.lib.licenses.mit;
+    platforms = self.stdenv.lib.platforms.haskellPlatforms;
+    maintainers = [ self.stdenv.lib.maintainers.simons ];
   };
 })
-