diff --git a/cmd/gost/vendor/github.com/ginuerzh/gost/chain.go b/cmd/gost/vendor/github.com/ginuerzh/gost/chain.go
index 607a8bb..08c6638 100644
--- a/cmd/gost/vendor/github.com/ginuerzh/gost/chain.go
+++ b/cmd/gost/vendor/github.com/ginuerzh/gost/chain.go
@@ -177,7 +177,6 @@ func enablePing(conn net.Conn, interval time.Duration) {
 					glog.V(LWARNING).Infoln("[http2] ping:", err)
 					return
 				}
-				glog.V(LINFO).Infoln("[http2] ping OK")
 			}
 		}
 	}()
diff --git a/cmd/gost/vendor/vendor.json b/cmd/gost/vendor/vendor.json
index 8578a26..bc92c39 100644
--- a/cmd/gost/vendor/vendor.json
+++ b/cmd/gost/vendor/vendor.json
@@ -15,10 +15,10 @@
 			"revisionTime": "2016-09-03T01:06:34Z"
 		},
 		{
-			"checksumSHA1": "t4O2pqbz2JHm0t6OGz7e7L28IRM=",
+			"checksumSHA1": "wtL+WhNEsHwdX16Gqu8hyGpV/vY=",
 			"path": "github.com/ginuerzh/gost",
-			"revision": "148d114c7366e1d15e807fe2e472f635fb6ed557",
-			"revisionTime": "2017-01-14T05:41:49Z"
+			"revision": "14561f9ee2ac16c9bdded50281e0c86997183da9",
+			"revisionTime": "2017-01-14T05:51:16Z"
 		},
 		{
 			"checksumSHA1": "URsJa4y/sUUw/STmbeYx9EKqaYE=",