diff --git a/go.mod b/go.mod
index edea5e74f187..7dc03d328016 100644
--- a/go.mod
+++ b/go.mod
@@ -11,7 +11,7 @@ require (
 	github.com/gorilla/websocket v1.5.3
 	github.com/miekg/dns v1.1.72
 	github.com/pelletier/go-toml v1.9.5
-	github.com/pires/go-proxyproto v0.9.0
+	github.com/pires/go-proxyproto v0.9.1
 	github.com/refraction-networking/utls v1.8.2
 	github.com/sagernet/sing v0.5.1
 	github.com/sagernet/sing-shadowsocks v0.2.7
diff --git a/go.sum b/go.sum
index 5ea970962d6f..1da1fc237367 100644
--- a/go.sum
+++ b/go.sum
@@ -46,8 +46,8 @@ github.com/pelletier/go-toml v1.9.5 h1:4yBQzkHv+7BHq2PQUZF3Mx0IYxG7LsP222s7Agd3v
 github.com/pelletier/go-toml v1.9.5/go.mod h1:u1nR/EPcESfeI/szUZKdtJ0xRNbUoANCkoOuaOx1Y+c=
 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 v0.9.0 h1:3Qg3CLxWx4wJOw5uxhTvc0VrgsJeerDbGTvexu4UK1E=
-github.com/pires/go-proxyproto v0.9.0/go.mod h1:ZKAAyp3cgy5Y5Mo4n9AlScrkCZwUy0g3Jf+slqQVcuU=
+github.com/pires/go-proxyproto v0.9.1 h1:wTPjpyk41pJm1Im9BqHtPLuhxfjxL+qNfSikx9ux0WY=
+github.com/pires/go-proxyproto v0.9.1/go.mod h1:ZKAAyp3cgy5Y5Mo4n9AlScrkCZwUy0g3Jf+slqQVcuU=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/quic-go/qpack v0.6.0 h1:g7W+BMYynC1LbYLSqRt8PBg5Tgwxn214ZZR34VIOjz8=