diff --git a/pkgs/development/libraries/haskell/attoparsec-conduit/default.nix b/pkgs/development/libraries/haskell/attoparsec-conduit/default.nix
index fd11df19905..48f9ce492c2 100644
--- a/pkgs/development/libraries/haskell/attoparsec-conduit/default.nix
+++ b/pkgs/development/libraries/haskell/attoparsec-conduit/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "attoparsec-conduit";
-  version = "0.0.0";
-  sha256 = "1cwmi86faisg10l15w8mz3619phvrn2hl10blr6pziv1k8c3ncj7";
+  version = "0.0.0.1";
+  sha256 = "1z6v2j08j3fl329npiz9klbz5gbcl0q8vgz3drmrmyhn31a6cvsf";
   buildDepends = [ attoparsec conduit text transformers ];
   meta = {
     homepage = "http://github.com/snoyberg/conduit";