diff --git a/pkgs/development/libraries/haskell/conduit/default.nix b/pkgs/development/libraries/haskell/conduit/default.nix
index 0557fd36236..25987150533 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 = "1.0.12";
-  sha256 = "025h1nbplq7v1qp74bg647q36n3d56kin700ws7vm922xmvcrjjm";
+  version = "1.0.13";
+  sha256 = "19l2wqx5fil9sv4kj8jd19yvb4fa7jp3n523j38z9bd6ydnb8fni";
   buildDepends = [
     liftedBase mmorph monadControl mtl resourcet text transformers
     transformersBase void