diff --git a/pkgs/development/libraries/haskell/conduit/default.nix b/pkgs/development/libraries/haskell/conduit/default.nix
index 74827d407b7..3ea60db5fb5 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 = "0.5.6";
-  sha256 = "1a5apcds3jjksz7hzw4ag725796axqk9nm5fhn5i4l82zphq2cxs";
+  version = "1.0.0";
+  sha256 = "1sx7s3awzb7y51prmmvrx9gxhd5068rbzwl719lfx3r50k94r00d";
   buildDepends = [
     liftedBase monadControl resourcet text transformers
     transformersBase void