diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,9 @@
 # Revision history for http3
 
+## 0.0.14
+
+* Preparing for tls v2.1
+
 ## 0.0.13
 
 * Using OutBodyIface.
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:            0.0.13
+version:            0.0.14
 license:            BSD-3-Clause
 license-file:       LICENSE
 maintainer:         Kazu Yamamoto <kazu@iij.ad.jp>
@@ -112,7 +112,7 @@
         http2,
         http3,
         quic,
-        tls,
+        tls < 2.2,
         tls-session-manager,
         unliftio
 
diff --git a/util/h3-client.hs b/util/h3-client.hs
--- a/util/h3-client.hs
+++ b/util/h3-client.hs
@@ -396,11 +396,11 @@
             }
 
 printThroughput :: UnixTime -> UnixTime -> ConnectionStats -> IO ()
-printThroughput t1 t2 ConnectionStats{..} =
+printThroughput t1 t2 st =
     printf
         "Throughput %.2f Mbps (%d bytes in %d msecs)\n"
         bytesPerSeconds
-        rxBytes
+        (rxBytes st)
         millisecs
   where
     UnixDiffTime (CTime s) u = t2 `diffUnixTime` t1
@@ -408,7 +408,7 @@
     millisecs = fromIntegral s * 1000 + fromIntegral u `div` 1000
     bytesPerSeconds :: Double
     bytesPerSeconds =
-        fromIntegral rxBytes
+        fromIntegral (rxBytes st)
             * (1000 :: Double)
             * 8
             / fromIntegral millisecs