diff --git a/go.mod b/go.mod
index a9c461324..dcdcead7c 100644
--- a/go.mod
+++ b/go.mod
@@ -9,7 +9,7 @@ require (
 	github.com/gorilla/websocket v1.4.2
 	github.com/lucas-clemente/quic-go v0.19.3
 	github.com/miekg/dns v1.1.35
-	github.com/pires/go-proxyproto v0.4.1
+	github.com/pires/go-proxyproto v0.4.2
 	github.com/seiflotfy/cuckoofilter v0.0.0-20201222105146-bc6005554a0c
 	github.com/stretchr/testify v1.7.0
 	github.com/v2fly/VSign v0.0.0-20201108000810-e2adc24bf848
diff --git a/go.sum b/go.sum
index 201f85229..5c1776fdc 100644
--- a/go.sum
+++ b/go.sum
@@ -125,8 +125,8 @@ github.com/onsi/gomega v1.10.1/go.mod h1:iN09h71vgCQne3DLsj+A5owkum+a2tYe+TOCB1y
 github.com/openzipkin/zipkin-go v0.1.1/go.mod h1:NtoC/o8u3JlF1lSlyPNswIbeQH9bJTmOf0Erfk+hxe8=
 github.com/phayes/freeport v0.0.0-20180830031419-95f893ade6f2 h1:JhzVVoYvbOACxoUmOs6V/G4D5nPVUW73rKvXxP4XUJc=
 github.com/phayes/freeport v0.0.0-20180830031419-95f893ade6f2/go.mod h1:iIss55rKnNBTvrwdmkUpLnDpZoAHvWaiq5+iMmen4AE=
-github.com/pires/go-proxyproto v0.4.1 h1:30QkyOjKU3FcTLiu1359sSQ7ml56wpM4i/uViqODSsI=
-github.com/pires/go-proxyproto v0.4.1/go.mod h1:Odh9VFOZJCf9G8cLW5o435Xf1J95Jw9Gw5rnCjcwzAY=
+github.com/pires/go-proxyproto v0.4.2 h1:VRAvsUCTrmiahoU5fqQqkbY0GWcJ1Q0F7b7CkFaipSU=
+github.com/pires/go-proxyproto v0.4.2/go.mod h1:Odh9VFOZJCf9G8cLW5o435Xf1J95Jw9Gw5rnCjcwzAY=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=