diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,14 +1,19 @@
 # Revision history for tcp-simple
 
+## 0.5.0.0
+
+* Update built-in mozilla CA list(2016/09/14).
+* Export `Data.TLSSetting` from `System.IO.Streams.TLS`, and `Data.OpenSSLSetting` from `System.IO.Streams.OpenSSL`.
+
 ## 0.4.0.0
 
-* auto add `withOpenSSL`.
-* add `extra-libraries` to cabal file.
+* Auto add `withOpenSSL`.
+* Add `extra-libraries` to cabal file.
 
 ## 0.3.0.0
 
 * Add qualified notes, rename `closeTLS/closeSSL` to `close`.
-* fix `Bad pipe` error in tls's `close`
+* Fix `Bad pipe` error in tls's `close`
 
 ## 0.2.3.0
 
diff --git a/Data/TLSSetting.hs b/Data/TLSSetting.hs
--- a/Data/TLSSetting.hs
+++ b/Data/TLSSetting.hs
@@ -42,7 +42,7 @@
     let Right pems = X509.pemParseBS bs
     case mapM (X509.decodeSignedCertificate . X509.pemContent) pems of
         Right cas -> return (X509.makeCertificateStore cas)
-
+        Left err  -> error err
 
 -- | make a simple tls 'TLS.ClientParams' that will validate server and use tls connection
 -- without providing client's own certificate. suitable for connecting server which don't
diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@
 
 + use [tls](http://hackage.haskell.org/package/tls) or [HsOpenSSL](http://hackage.haskell.org/package/HsOpenSSL) for tls connection.
 
-Built-in mozilla CA list date: 2016/04/20. 
+Built-in [mozilla CA list](https://curl.haxx.se/docs/caextract.html) date: 2016/09/14. 
 
 Mac user may need manually passing openssl library path if linker can't find them:
 
diff --git a/System/IO/Streams/OpenSSL.hs b/System/IO/Streams/OpenSSL.hs
--- a/System/IO/Streams/OpenSSL.hs
+++ b/System/IO/Streams/OpenSSL.hs
@@ -25,12 +25,15 @@
     -- * helpers
   , sslToStreams
   , close
+    -- * re-export helpers
+  , module Data.OpenSSLSetting
   ) where
 
 import qualified Control.Exception     as E
 import           Control.Monad         (unless, void)
 import           Data.ByteString.Char8 (ByteString)
 import qualified Data.ByteString.Char8 as S
+import           Data.OpenSSLSetting
 import           Network.Socket        (HostName, PortNumber, Socket)
 import qualified Network.Socket        as N
 import           OpenSSL               (withOpenSSL)
diff --git a/System/IO/Streams/TCP.hs b/System/IO/Streams/TCP.hs
--- a/System/IO/Streams/TCP.hs
+++ b/System/IO/Streams/TCP.hs
@@ -147,7 +147,7 @@
                                         N.setSocketOption sock N.ReuseAddr 1
                                         N.setSocketOption sock N.NoDelay 1)
                                     (\ (E.SomeException _) -> return ())
-                                  N.bind sock (N.SockAddrInet port N.iNADDR_ANY)   -- listen on TCP port 4242.
+                                  N.bind sock (N.SockAddrInet port N.iNADDR_ANY)
                                   N.listen sock maxc
                                   return sock
                      )
@@ -197,4 +197,3 @@
 
     output Nothing  = return ()
     output (Just s) = unless (B.null s) (NB.sendAll sock s)
-{-# INLINABLE socketToStreamsWithBufferSize #-}
diff --git a/System/IO/Streams/TLS.hs b/System/IO/Streams/TLS.hs
--- a/System/IO/Streams/TLS.hs
+++ b/System/IO/Streams/TLS.hs
@@ -24,6 +24,8 @@
     -- * helpers
   , tlsToStreams
   , close
+    -- * re-export helpers
+  , module Data.TLSSetting
   ) where
 
 import qualified Control.Exception     as E
@@ -32,6 +34,7 @@
 import qualified Data.ByteString       as B
 import qualified Data.ByteString.Char8 as BC
 import           Data.ByteString.Lazy  (fromStrict)
+import           Data.TLSSetting
 import           Network.Socket        (HostName, PortNumber, Socket)
 import qualified Network.Socket        as N
 import           Network.TLS           (ClientParams, Context, ServerParams)
diff --git a/mozillaCAStore.pem b/mozillaCAStore.pem
--- a/mozillaCAStore.pem
+++ b/mozillaCAStore.pem
@@ -1,7 +1,7 @@
 ##
 ## Bundle of CA Root Certificates
 ##
-## Certificate data from Mozilla as of: Wed Apr 20 03:12:05 2016
+## Certificate data from Mozilla as of: Wed Sep 14 03:12:05 2016
 ##
 ## This is a bundle of X.509 certificates of public Certificate Authorities
 ## (CA). These were automatically extracted from Mozilla's root certificates
@@ -13,8 +13,8 @@
 ## an Apache+mod_ssl webserver for SSL client authentication.
 ## Just configure this file as the SSLCACertificateFile.
 ##
-## Conversion done with mk-ca-bundle.pl version 1.25.
-## SHA1: 5df367cda83086392e1acdf22bfef00c48d5eba6
+## Conversion done with mk-ca-bundle.pl version 1.26.
+## SHA256: 01bbf1ecdd693f554ff4dcbe15880b3e6c33188a956c15ff845d313ca69cfeb8
 ##
 
 
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+Certplus Root CA G1
+===================
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+===================
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+OpenTrust Root CA G1
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+OpenTrust Root CA G2
+====================
+-----BEGIN CERTIFICATE-----
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+
+OpenTrust Root CA G3
+====================
+-----BEGIN CERTIFICATE-----
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diff --git a/tcp-streams.cabal b/tcp-streams.cabal
--- a/tcp-streams.cabal
+++ b/tcp-streams.cabal
@@ -1,5 +1,5 @@
 name:                tcp-streams
-version:             0.4.0.0
+version:             0.5.0.0
 synopsis:            One stop solution for tcp client and server with tls support.
 description:         One stop solution for tcp client and server with tls support.
 license:             BSD3
@@ -30,7 +30,6 @@
   exposed-modules:      Data.TLSSetting
                     ,   System.IO.Streams.TCP
                     ,   System.IO.Streams.TLS
-
   if flag(openssl)
     exposed-modules:    Data.OpenSSLSetting
                     ,   System.IO.Streams.OpenSSL
@@ -81,3 +80,4 @@
                     ,   test-framework             >= 0.6      && <0.9
                     ,   test-framework-hunit       >= 0.2.7    && <0.4
                     ,   test-framework-quickcheck2 >= 0.2.12.1 && <0.4
+                    ,   directory      == 1.*
diff --git a/test/Main.hs b/test/Main.hs
--- a/test/Main.hs
+++ b/test/Main.hs
@@ -6,12 +6,14 @@
 ------------------------------------------------------------------------------
 import           Control.Concurrent             (forkIO, newEmptyMVar, putMVar,
                                                  takeMVar)
+import qualified Control.Exception              as E
 import qualified Network.Socket                 as N
 import           System.Timeout                 (timeout)
 import           Test.Framework
 import           Test.Framework.Providers.HUnit
 import           Test.HUnit                     hiding (Test)
 import qualified Data.ByteString                as B
+import           System.Directory               (removeFile)
 ------------------------------------------------------------------------------
 import qualified Data.TLSSetting                as TLS
 import qualified Data.OpenSSLSetting            as SSL