diff --git a/go.mod b/go.mod
index 8cc9eab..1e5607e 100644
--- a/go.mod
+++ b/go.mod
@@ -6,8 +6,8 @@ require (
 	github.com/google/gopacket v1.1.17 // indirect
 	github.com/pkg/errors v0.8.1
 	github.com/urfave/cli v1.21.0
-	github.com/xtaci/kcp-go/v5 v5.5.3
-	github.com/xtaci/smux v1.5.7
+	github.com/xtaci/kcp-go/v5 v5.5.4
+	github.com/xtaci/smux v1.5.8
 	github.com/xtaci/tcpraw v1.2.25
 	golang.org/x/crypto v0.0.0-20191206172530-e9b2fee46413
 )
diff --git a/go.sum b/go.sum
index cd0e34f..63a00e9 100644
--- a/go.sum
+++ b/go.sum
@@ -39,10 +39,14 @@ github.com/xtaci/kcp-go/v5 v5.5.2 h1:CzcoWZmYR1bAgk73D3ZUa3QVSwN8fgPbTglyqCGOFJM
 github.com/xtaci/kcp-go/v5 v5.5.2/go.mod h1:Oyw+zrBrO58urX1AaWV+2RynthEKcs+qrRAh0Q8YpdU=
 github.com/xtaci/kcp-go/v5 v5.5.3 h1:kBSV/WG8HOp/IC3GuSgqhTnrWnPq6O5t/tKwGn1mq7E=
 github.com/xtaci/kcp-go/v5 v5.5.3/go.mod h1:Oyw+zrBrO58urX1AaWV+2RynthEKcs+qrRAh0Q8YpdU=
+github.com/xtaci/kcp-go/v5 v5.5.4 h1:LxBOkiy+NKBK80tfKF1uFMfQyMIRyyIjaLrvR9udkyk=
+github.com/xtaci/kcp-go/v5 v5.5.4/go.mod h1:Oyw+zrBrO58urX1AaWV+2RynthEKcs+qrRAh0Q8YpdU=
 github.com/xtaci/lossyconn v0.0.0-20190602105132-8df528c0c9ae h1:J0GxkO96kL4WF+AIT3M4mfUVinOCPgf2uUWYFUzN0sM=
 github.com/xtaci/lossyconn v0.0.0-20190602105132-8df528c0c9ae/go.mod h1:gXtu8J62kEgmN++bm9BVICuT/e8yiLI2KFobd/TRFsE=
 github.com/xtaci/smux v1.5.7 h1:fVOjux34i112nzp5BIF7yg4WvVKLj1pUMqEgSdiBho4=
 github.com/xtaci/smux v1.5.7/go.mod h1:OMlQbT5vcgl2gb49mFkYo6SMf+zP3rcjcwQz7ZU7IGY=
+github.com/xtaci/smux v1.5.8 h1:qyXDeYtjmAnSLqmptfgebpD1Wx1KPMF39POSfx0klDw=
+github.com/xtaci/smux v1.5.8/go.mod h1:OMlQbT5vcgl2gb49mFkYo6SMf+zP3rcjcwQz7ZU7IGY=
 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=