diff --git a/go.mod b/go.mod
index 643746202..d6039bb8c 100644
--- a/go.mod
+++ b/go.mod
@@ -6,7 +6,7 @@ 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 v5.4.25
+	github.com/xtaci/kcp-go/v5 v5.4.26
 	github.com/xtaci/smux v1.5.7
 	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 429eeb066..fb645a90f 100644
--- a/go.sum
+++ b/go.sum
@@ -19,6 +19,8 @@ github.com/templexxx/xor v0.0.0-20191217153810-f85b25db303b h1:fj5tQ8acgNUr6O8LE
 github.com/templexxx/xor v0.0.0-20191217153810-f85b25db303b/go.mod h1:5XA7W9S6mni3h5uvOC75dA3m9CCCaS83lltmc0ukdi4=
 github.com/templexxx/xorsimd v0.3.1 h1:K6aBXKOSPgs0Pz/VXDy0pQK/RlwvtI1Cf9sOm3dPDrU=
 github.com/templexxx/xorsimd v0.3.1/go.mod h1:W+ffZz8jJMH2SXwuKu9WhygqBMbFnp14G2fqEr8qaNo=
+github.com/templexxx/xorsimd v0.4.1 h1:iUZcywbOYDRAZUasAs2eSCUW8eobuZDy0I9FJiORkVg=
+github.com/templexxx/xorsimd v0.4.1/go.mod h1:W+ffZz8jJMH2SXwuKu9WhygqBMbFnp14G2fqEr8qaNo=
 github.com/tjfoc/gmsm v1.0.1 h1:R11HlqhXkDospckjZEihx9SW/2VW0RgdwrykyWMFOQU=
 github.com/tjfoc/gmsm v1.0.1/go.mod h1:XxO4hdhhrzAd+G4CjDqaOkd0hUzmtPR/d3EiBBMn/wc=
 github.com/urfave/cli v1.21.0 h1:wYSSj06510qPIzGSua9ZqsncMmWE3Zr55KBERygyrxE=
@@ -29,6 +31,8 @@ github.com/xtaci/kcp-go/v5 v5.4.23 h1:fQG2rrEYWRKyq/PRtUZdBZ+RSr3S/3QQFuScA/Kzjx
 github.com/xtaci/kcp-go/v5 v5.4.23/go.mod h1:kaRUj0x4HWAdtA32VaDNGGY8AZTRsFIOSCJQOWYcDc0=
 github.com/xtaci/kcp-go/v5 v5.4.25 h1:hD2bpx3R92TXvXoYGQ844heHekXNmXafnpKUE/uxGbc=
 github.com/xtaci/kcp-go/v5 v5.4.25/go.mod h1:kaRUj0x4HWAdtA32VaDNGGY8AZTRsFIOSCJQOWYcDc0=
+github.com/xtaci/kcp-go/v5 v5.4.26 h1:4NhV2D9c8IMUzhxI8eS0QVRR4MPqjhxoPGoh7Za3lQU=
+github.com/xtaci/kcp-go/v5 v5.4.26/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=