diff --git a/pkgs/development/libraries/haskell/dns/default.nix b/pkgs/development/libraries/haskell/dns/default.nix
index 5b2d99fb90e5..97a120f21237 100644
--- a/pkgs/development/libraries/haskell/dns/default.nix
+++ b/pkgs/development/libraries/haskell/dns/default.nix
@@ -1,19 +1,19 @@
 { cabal, attoparsec, attoparsecConduit, binary, blazeBuilder
-, conduit, doctest, hspec, iproute, mtl, network, networkConduit
-, random
+, conduit, conduitExtra, doctest, hspec, iproute, mtl, network
+, random, resourcet
 }:
 
 cabal.mkDerivation (self: {
   pname = "dns";
-  version = "1.2.0";
-  sha256 = "1pzwvb1qycjw6qw34xhd4ap9jl0cc79d3i09b23bg0vqcz80vmpr";
+  version = "1.2.1";
+  sha256 = "0xv8mj2x8ijqgi7gnh2shr7ns9qghiczm3lw9n37mxk02zbvw8h0";
   buildDepends = [
-    attoparsec attoparsecConduit binary blazeBuilder conduit iproute
-    mtl network networkConduit random
+    attoparsec attoparsecConduit binary blazeBuilder conduit
+    conduitExtra iproute mtl network random resourcet
   ];
   testDepends = [
-    attoparsec attoparsecConduit binary blazeBuilder conduit doctest
-    hspec iproute mtl network networkConduit random
+    attoparsec attoparsecConduit binary blazeBuilder conduit
+    conduitExtra doctest hspec iproute mtl network random resourcet
   ];
   testTarget = "spec";
   meta = {