diff --git a/Network/HTTP/Conduit/ConnInfo.hs b/Network/HTTP/Conduit/ConnInfo.hs
--- a/Network/HTTP/Conduit/ConnInfo.hs
+++ b/Network/HTTP/Conduit/ConnInfo.hs
@@ -161,6 +161,7 @@
     (addr:_) <- NS.getAddrInfo (Just hints) (Just host') (Just $ show port')
     sock <- NS.socket (NS.addrFamily addr) (NS.addrSocketType addr)
                       (NS.addrProtocol addr)
+    NS.setSocketOption sock NS.NoDelay 1
     ee <- try' $ NS.connect sock (NS.addrAddress addr)
     case ee of
         Left e -> NS.sClose sock >> throwIO e
diff --git a/http-conduit.cabal b/http-conduit.cabal
--- a/http-conduit.cabal
+++ b/http-conduit.cabal
@@ -1,5 +1,5 @@
 name:            http-conduit
-version:         1.6.0.2
+version:         1.6.0.3
 license:         BSD3
 license-file:    LICENSE
 author:          Michael Snoyman <michael@snoyman.com>