diff --git a/pkgs/development/libraries/haskell/conduit/default.nix b/pkgs/development/libraries/haskell/conduit/default.nix
index e4c15c7900a..99308d43272 100644
--- a/pkgs/development/libraries/haskell/conduit/default.nix
+++ b/pkgs/development/libraries/haskell/conduit/default.nix
@@ -4,8 +4,8 @@
 
 cabal.mkDerivation (self: {
   pname = "conduit";
-  version = "1.1.1.1";
-  sha256 = "18i96faiik16375y2ysnfkfnrjgir4dnbq3w5ykzhrvw43z8pm7g";
+  version = "1.1.2.1";
+  sha256 = "1jzc3vnc0dr4nm79yx2kk5rsm06jfbf3h89y28bgv05r1pw6r7ai";
   buildDepends = [
     exceptions liftedBase mmorph monadControl mtl resourcet
     transformers transformersBase void