diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,9 @@
 # Revision history for http3
 
+## 0.0.4
+
+* Using "crypton" intead of "cryptonite".
+
 ## 0.0.3
 
 * Fixes for HTTP/3 CONNECT proxy
diff --git a/Network/HQ/Client.hs b/Network/HQ/Client.hs
--- a/Network/HQ/Client.hs
+++ b/Network/HQ/Client.hs
@@ -1,4 +1,5 @@
 {-# LANGUAGE OverloadedStrings #-}
+{-# LANGUAGE RankNTypes #-}
 {-# LANGUAGE RecordWildCards #-}
 
 -- | A client library for HTTP/0.9.
diff --git a/Network/HTTP3/Client.hs b/Network/HTTP3/Client.hs
--- a/Network/HTTP3/Client.hs
+++ b/Network/HTTP3/Client.hs
@@ -1,4 +1,5 @@
 {-# LANGUAGE OverloadedStrings #-}
+{-# LANGUAGE RankNTypes #-}
 {-# LANGUAGE RecordWildCards #-}
 
 -- | A client library for HTTP/3.
diff --git a/http3.cabal b/http3.cabal
--- a/http3.cabal
+++ b/http3.cabal
@@ -1,6 +1,6 @@
 cabal-version:      2.4
 name:               http3
-version:            0.0.3
+version:            0.0.4
 license:            BSD-3-Clause
 license-file:       LICENSE
 maintainer:         Kazu Yamamoto <kazu@iij.ad.jp>
@@ -81,11 +81,11 @@
         bytestring,
         case-insensitive,
         containers,
-        http2 >=4.1 && <5,
+        http2 >=4.1.3 && <5,
         http-types,
         network,
         network-byte-order,
-        quic,
+        quic >= 0.1.2,
         sockaddr,
         stm,
         time-manager,
@@ -194,7 +194,7 @@
         bytestring,
         conduit,
         conduit-extra,
-        cryptonite,
+        crypton,
         hspec >=1.3,
         http-types,
         http2,
diff --git a/test/HTTP3/Server.hs b/test/HTTP3/Server.hs
--- a/test/HTTP3/Server.hs
+++ b/test/HTTP3/Server.hs
@@ -1,4 +1,5 @@
 {-# LANGUAGE OverloadedStrings #-}
+{-# LANGUAGE RankNTypes #-}
 
 module HTTP3.Server (
     setup
diff --git a/test/HTTP3/ServerSpec.hs b/test/HTTP3/ServerSpec.hs
--- a/test/HTTP3/ServerSpec.hs
+++ b/test/HTTP3/ServerSpec.hs
@@ -1,4 +1,5 @@
 {-# LANGUAGE OverloadedStrings #-}
+{-# LANGUAGE RankNTypes #-}
 
 module HTTP3.ServerSpec where
 
@@ -28,8 +29,13 @@
     E.bracket allocSimpleConfig freeSimpleConfig $ \conf ->
       C.run conn testH3ClientConfig conf client
   where
-    client sendRequest = mapConcurrently_ ($ sendRequest) clients
-    clients = [client0,client1,client2,client3]
+    client :: C.Client ()
+    client sendRequest = foldr1 concurrently_ [
+        client0 sendRequest
+      , client1 sendRequest
+      , client2 sendRequest
+      , client3 sendRequest
+      ]
 
 client0 :: C.Client ()
 client0 sendRequest = do