diff --git a/go.mod b/go.mod
index 3df1b22..600ec34 100644
--- a/go.mod
+++ b/go.mod
@@ -13,7 +13,7 @@ require (
 	github.com/urfave/cli v1.21.0
 	github.com/xtaci/kcp-go v5.4.5+incompatible
 	github.com/xtaci/smux v1.4.3
-	github.com/xtaci/smux/v2 v2.0.8
+	github.com/xtaci/smux/v2 v2.0.9
 	github.com/xtaci/tcpraw v1.2.25
 	golang.org/x/crypto v0.0.0-20190909091759-094676da4a83
 	golang.org/x/net v0.0.0-20190909003024-a7b16738d86b // indirect
diff --git a/go.sum b/go.sum
index 5d56e98..8447a84 100644
--- a/go.sum
+++ b/go.sum
@@ -29,6 +29,8 @@ github.com/xtaci/smux/v2 v2.0.7 h1:VaVwcTH8E2CTRBlvTBNZe1q2jqmb5tuCIwV4Usx7B2Y=
 github.com/xtaci/smux/v2 v2.0.7/go.mod h1:Iqy5a3Gax2p7WCKHOHkSNo/COthNFXd3/vqrcKNtzqI=
 github.com/xtaci/smux/v2 v2.0.8 h1:eLoV/CWN//wOqSMfLDmKxgUTUE4Gr6vU8RKHUQ8V40k=
 github.com/xtaci/smux/v2 v2.0.8/go.mod h1:Iqy5a3Gax2p7WCKHOHkSNo/COthNFXd3/vqrcKNtzqI=
+github.com/xtaci/smux/v2 v2.0.9 h1:1vADFV/vUUptaPS+kHsaVc9axguaOG/Smx8+tNbY8kU=
+github.com/xtaci/smux/v2 v2.0.9/go.mod h1:Iqy5a3Gax2p7WCKHOHkSNo/COthNFXd3/vqrcKNtzqI=
 github.com/xtaci/tcpraw v1.2.25 h1:VDlqo0op17JeXBM6e2G9ocCNLOJcw9mZbobMbJjo0vk=
 github.com/xtaci/tcpraw v1.2.25/go.mod h1:dKyZ2V75s0cZ7cbgJYdxPvms7af0joIeOyx1GgJQbLk=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=