diff --git a/pkgs/development/libraries/haskell/dns/default.nix b/pkgs/development/libraries/haskell/dns/default.nix
index badc718f32b..d563348c371 100644
--- a/pkgs/development/libraries/haskell/dns/default.nix
+++ b/pkgs/development/libraries/haskell/dns/default.nix
@@ -1,19 +1,18 @@
-{ cabal, attoparsec, attoparsecConduit, binary, blazeBuilder
-, conduit, conduitExtra, doctest, hspec, iproute, mtl, network
-, random, resourcet
+{ cabal, attoparsec, binary, blazeBuilder, conduit, conduitExtra
+, doctest, hspec, iproute, mtl, network, random, resourcet
 }:
 
 cabal.mkDerivation (self: {
   pname = "dns";
-  version = "1.2.3";
-  sha256 = "0h03zh75yzrx08p99ll123qd9a7a2ccj9gad1f8y3340dz3pa7ld";
+  version = "1.3.0";
+  sha256 = "1zd639d69ha3g1yz7ssvwarwiwyi975ps4i5y8vrarcq2jnnsb6n";
   buildDepends = [
-    attoparsec attoparsecConduit binary blazeBuilder conduit
-    conduitExtra iproute mtl network random resourcet
+    attoparsec binary blazeBuilder conduit conduitExtra iproute mtl
+    network random resourcet
   ];
   testDepends = [
-    attoparsec attoparsecConduit binary blazeBuilder conduit
-    conduitExtra doctest hspec iproute mtl network random resourcet
+    attoparsec binary blazeBuilder conduit conduitExtra doctest hspec
+    iproute mtl network random resourcet
   ];
   testTarget = "spec";
   meta = {