diff --git a/dns.cabal b/dns.cabal
--- a/dns.cabal
+++ b/dns.cabal
@@ -1,5 +1,5 @@
 Name:                   dns
-Version:                0.3.5
+Version:                0.3.6
 Author:                 Kazu Yamamoto <kazu@iij.ad.jp>
 Maintainer:             Kazu Yamamoto <kazu@iij.ad.jp>
 License:                BSD3
@@ -27,7 +27,7 @@
                       , binary
                       , blaze-builder
                       , bytestring
-                      , conduit
+                      , conduit >= 0.5
                       , containers
                       , iproute >= 1.2.4
                       , mtl