diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,3 +1,11 @@
+## 3.1.3
+
+* Removing SHA 512 and SHA 384 from supportedCiphers to rescue Safari and golang. [#429](https://github.com/yesodweb/wai/issues/429)
+
+## 3.1.2
+
+* [Getting Rating A from the SSL Server Test](http://www.yesodweb.com/blog/2015/08/ssl-server-test)
+
 ## 3.1.1
 
 * Converting "send: resource vanished (Broken pipe)" to ConnectionClosedByPeer. [#421](https://github.com/yesodweb/wai/issues/421)
diff --git a/Network/Wai/Handler/WarpTLS.hs b/Network/Wai/Handler/WarpTLS.hs
--- a/Network/Wai/Handler/WarpTLS.hs
+++ b/Network/Wai/Handler/WarpTLS.hs
@@ -268,9 +268,9 @@
       , TLS.supportedCiphers        = tlsCiphers
       , TLS.supportedCompressions   = [TLS.nullCompression]
       , TLS.supportedHashSignatures = [
-          (TLS.HashSHA512, TLS.SignatureRSA)
-        , (TLS.HashSHA384, TLS.SignatureRSA)
-        , (TLS.HashSHA256, TLS.SignatureRSA)
+          -- Safari 8 and go tls have bugs on SHA 512 and SHA 384.
+          -- So, we don't specify them here at this moment.
+          (TLS.HashSHA256, TLS.SignatureRSA)
         , (TLS.HashSHA224, TLS.SignatureRSA)
         , (TLS.HashSHA1,   TLS.SignatureRSA)
         , (TLS.HashSHA1,   TLS.SignatureDSS)
diff --git a/warp-tls.cabal b/warp-tls.cabal
--- a/warp-tls.cabal
+++ b/warp-tls.cabal
@@ -1,5 +1,5 @@
 Name:                warp-tls
-Version:             3.1.2
+Version:             3.1.3
 Synopsis:            HTTP over TLS support for Warp via the TLS package
 License:             MIT
 License-file:        LICENSE