diff --git a/Gopkg.lock b/Gopkg.lock
index 16942c8f3..2e75a2d6b 100644
--- a/Gopkg.lock
+++ b/Gopkg.lock
@@ -1217,7 +1217,7 @@
     "roundrobin",
     "utils"
   ]
-  revision = "6956548a7fa4272adeadf828455109c53933ea86"
+  revision = "7a2284ad8d6f4d362a6b38f3cdcc812291dce293"
 
 [[projects]]
   name = "github.com/vulcand/predicate"
diff --git a/vendor/github.com/vulcand/oxy/buffer/buffer.go b/vendor/github.com/vulcand/oxy/buffer/buffer.go
index 6224fb8c7..e3ee40b33 100644
--- a/vendor/github.com/vulcand/oxy/buffer/buffer.go
+++ b/vendor/github.com/vulcand/oxy/buffer/buffer.go
@@ -199,7 +199,7 @@ func (b *Buffer) ServeHTTP(w http.ResponseWriter, req *http.Request) {
 	if log.GetLevel() >= log.DebugLevel {
 		logEntry := log.WithField("Request", utils.DumpHttpRequest(req))
 		logEntry.Debug("vulcand/oxy/buffer: begin ServeHttp on request")
-		defer logEntry.Debug("vulcand/oxy/buffer: competed ServeHttp on request")
+		defer logEntry.Debug("vulcand/oxy/buffer: completed ServeHttp on request")
 	}
 
 	if err := b.checkLimit(req); err != nil {
diff --git a/vendor/github.com/vulcand/oxy/cbreaker/cbreaker.go b/vendor/github.com/vulcand/oxy/cbreaker/cbreaker.go
index e97f69d56..e7f92f71f 100644
--- a/vendor/github.com/vulcand/oxy/cbreaker/cbreaker.go
+++ b/vendor/github.com/vulcand/oxy/cbreaker/cbreaker.go
@@ -103,7 +103,7 @@ func (c *CircuitBreaker) ServeHTTP(w http.ResponseWriter, req *http.Request) {
 	if log.GetLevel() >= log.DebugLevel {
 		logEntry := log.WithField("Request", utils.DumpHttpRequest(req))
 		logEntry.Debug("vulcand/oxy/circuitbreaker: begin ServeHttp on request")
-		defer logEntry.Debug("vulcand/oxy/circuitbreaker: competed ServeHttp on request")
+		defer logEntry.Debug("vulcand/oxy/circuitbreaker: completed ServeHttp on request")
 	}
 	if c.activateFallback(w, req) {
 		c.fallback.ServeHTTP(w, req)
diff --git a/vendor/github.com/vulcand/oxy/cbreaker/fallback.go b/vendor/github.com/vulcand/oxy/cbreaker/fallback.go
index 2924b994f..a4fed70af 100644
--- a/vendor/github.com/vulcand/oxy/cbreaker/fallback.go
+++ b/vendor/github.com/vulcand/oxy/cbreaker/fallback.go
@@ -31,7 +31,7 @@ func (f *ResponseFallback) ServeHTTP(w http.ResponseWriter, req *http.Request) {
 	if log.GetLevel() >= log.DebugLevel {
 		logEntry := log.WithField("Request", utils.DumpHttpRequest(req))
 		logEntry.Debug("vulcand/oxy/fallback/response: begin ServeHttp on request")
-		defer logEntry.Debug("vulcand/oxy/fallback/response: competed ServeHttp on request")
+		defer logEntry.Debug("vulcand/oxy/fallback/response: completed ServeHttp on request")
 	}
 
 	if f.r.ContentType != "" {
@@ -67,7 +67,7 @@ func (f *RedirectFallback) ServeHTTP(w http.ResponseWriter, req *http.Request) {
 	if log.GetLevel() >= log.DebugLevel {
 		logEntry := log.WithField("Request", utils.DumpHttpRequest(req))
 		logEntry.Debug("vulcand/oxy/fallback/redirect: begin ServeHttp on request")
-		defer logEntry.Debug("vulcand/oxy/fallback/redirect: competed ServeHttp on request")
+		defer logEntry.Debug("vulcand/oxy/fallback/redirect: completed ServeHttp on request")
 	}
 
 	location := f.u.String()
diff --git a/vendor/github.com/vulcand/oxy/connlimit/connlimit.go b/vendor/github.com/vulcand/oxy/connlimit/connlimit.go
index 8abf1c173..c7b392758 100644
--- a/vendor/github.com/vulcand/oxy/connlimit/connlimit.go
+++ b/vendor/github.com/vulcand/oxy/connlimit/connlimit.go
@@ -110,7 +110,7 @@ func (e *ConnErrHandler) ServeHTTP(w http.ResponseWriter, req *http.Request, err
 	if log.GetLevel() >= log.DebugLevel {
 		logEntry := log.WithField("Request", utils.DumpHttpRequest(req))
 		logEntry.Debug("vulcand/oxy/connlimit: begin ServeHttp on request")
-		defer logEntry.Debug("vulcand/oxy/connlimit: competed ServeHttp on request")
+		defer logEntry.Debug("vulcand/oxy/connlimit: completed ServeHttp on request")
 	}
 
 	if _, ok := err.(*MaxConnError); ok {
diff --git a/vendor/github.com/vulcand/oxy/forward/fwd.go b/vendor/github.com/vulcand/oxy/forward/fwd.go
index cf8f6eaef..ec3c4f8d4 100644
--- a/vendor/github.com/vulcand/oxy/forward/fwd.go
+++ b/vendor/github.com/vulcand/oxy/forward/fwd.go
@@ -302,7 +302,7 @@ func (f *httpForwarder) serveWebSocket(w http.ResponseWriter, req *http.Request,
 	if f.log.GetLevel() >= log.DebugLevel {
 		logEntry := f.log.WithField("Request", utils.DumpHttpRequest(req))
 		logEntry.Debug("vulcand/oxy/forward/websocket: begin ServeHttp on request")
-		defer logEntry.Debug("vulcand/oxy/forward/websocket: competed ServeHttp on request")
+		defer logEntry.Debug("vulcand/oxy/forward/websocket: completed ServeHttp on request")
 	}
 
 	outReq := f.copyWebSocketRequest(req)
@@ -351,6 +351,7 @@ func (f *httpForwarder) serveWebSocket(w http.ResponseWriter, req *http.Request,
 	}}
 
 	utils.RemoveHeaders(resp.Header, WebsocketUpgradeHeaders...)
+	utils.CopyHeaders(resp.Header, w.Header())
 
 	underlyingConn, err := upgrader.Upgrade(w, req, resp.Header)
 	if err != nil {
@@ -370,11 +371,20 @@ func (f *httpForwarder) serveWebSocket(w http.ResponseWriter, req *http.Request,
 				m := websocket.FormatCloseMessage(websocket.CloseNormalClosure, fmt.Sprintf("%v", err))
 				if e, ok := err.(*websocket.CloseError); ok {
 					if e.Code != websocket.CloseNoStatusReceived {
-						m = websocket.FormatCloseMessage(e.Code, e.Text)
+						m = nil
+						// Following codes are not valid on the wire so just close the
+						// underlying TCP connection without sending a close frame.
+						if e.Code != websocket.CloseAbnormalClosure &&
+							e.Code != websocket.CloseTLSHandshake {
+
+							m = websocket.FormatCloseMessage(e.Code, e.Text)
+						}
 					}
 				}
 				errc <- err
-				dst.WriteMessage(websocket.CloseMessage, m)
+				if m != nil {
+					dst.WriteMessage(websocket.CloseMessage, m)
+				}
 				break
 			}
 			err = dst.WriteMessage(msgType, msg)
diff --git a/vendor/github.com/vulcand/oxy/roundrobin/rebalancer.go b/vendor/github.com/vulcand/oxy/roundrobin/rebalancer.go
index 9e574e8d8..81f916b74 100644
--- a/vendor/github.com/vulcand/oxy/roundrobin/rebalancer.go
+++ b/vendor/github.com/vulcand/oxy/roundrobin/rebalancer.go
@@ -145,7 +145,7 @@ func (rb *Rebalancer) ServeHTTP(w http.ResponseWriter, req *http.Request) {
 	if log.GetLevel() >= log.DebugLevel {
 		logEntry := log.WithField("Request", utils.DumpHttpRequest(req))
 		logEntry.Debug("vulcand/oxy/roundrobin/rebalancer: begin ServeHttp on request")
-		defer logEntry.Debug("vulcand/oxy/roundrobin/rebalancer: competed ServeHttp on request")
+		defer logEntry.Debug("vulcand/oxy/roundrobin/rebalancer: completed ServeHttp on request")
 	}
 
 	pw := utils.NewSimpleProxyWriter(w)
diff --git a/vendor/github.com/vulcand/oxy/roundrobin/rr.go b/vendor/github.com/vulcand/oxy/roundrobin/rr.go
index 137da6272..053773b7d 100644
--- a/vendor/github.com/vulcand/oxy/roundrobin/rr.go
+++ b/vendor/github.com/vulcand/oxy/roundrobin/rr.go
@@ -84,7 +84,7 @@ func (r *RoundRobin) ServeHTTP(w http.ResponseWriter, req *http.Request) {
 	if log.GetLevel() >= log.DebugLevel {
 		logEntry := log.WithField("Request", utils.DumpHttpRequest(req))
 		logEntry.Debug("vulcand/oxy/roundrobin/rr: begin ServeHttp on request")
-		defer logEntry.Debug("vulcand/oxy/roundrobin/rr: competed ServeHttp on request")
+		defer logEntry.Debug("vulcand/oxy/roundrobin/rr: completed ServeHttp on request")
 	}
 
 	// make shallow copy of request before chaning anything to avoid side effects