diff --git a/go.mod b/go.mod
index c280cc3..fd3be5f 100644
--- a/go.mod
+++ b/go.mod
@@ -8,7 +8,7 @@ require (
 	github.com/sagernet/go-tun2socks v1.16.12-0.20220818015926-16cb67876a61
 	github.com/sagernet/gvisor v0.0.0-20231119034329-07cfb6aaf930
 	github.com/sagernet/netlink v0.0.0-20220905062125-8043b4a9aa97
-	github.com/sagernet/sing v0.2.18
+	github.com/sagernet/sing v0.2.19-0.20231207032540-dbccc28f8194
 	github.com/scjalliance/comshim v0.0.0-20230315213746-5e51f40bd3b9
 	go4.org/netipx v0.0.0-20231129151722-fdeea329fbba
 	golang.org/x/net v0.19.0
diff --git a/go.sum b/go.sum
index e914f46..1b0e450 100644
--- a/go.sum
+++ b/go.sum
@@ -11,8 +11,8 @@ github.com/sagernet/gvisor v0.0.0-20231119034329-07cfb6aaf930/go.mod h1:JpKHkOYg
 github.com/sagernet/netlink v0.0.0-20220905062125-8043b4a9aa97 h1:iL5gZI3uFp0X6EslacyapiRz7LLSJyr4RajF/BhMVyE=
 github.com/sagernet/netlink v0.0.0-20220905062125-8043b4a9aa97/go.mod h1:xLnfdiJbSp8rNqYEdIW/6eDO4mVoogml14Bh2hSiFpM=
 github.com/sagernet/sing v0.0.0-20220817130738-ce854cda8522/go.mod h1:QVsS5L/ZA2Q5UhQwLrn0Trw+msNd/NPGEhBKR/ioWiY=
-github.com/sagernet/sing v0.2.18 h1:2Ce4dl0pkWft+4914NGXPb8OiQpgA8UHQ9xFOmgvKuY=
-github.com/sagernet/sing v0.2.18/go.mod h1:OL6k2F0vHmEzXz2KW19qQzu172FDgSbUSODylighuVo=
+github.com/sagernet/sing v0.2.19-0.20231207032540-dbccc28f8194 h1:lphv+waf4VhMIPkOiTewsHaCrBC7Jyrkt/uOKgjLnso=
+github.com/sagernet/sing v0.2.19-0.20231207032540-dbccc28f8194/go.mod h1:Ce5LNojQOgOiWhiD8pPD6E9H7e2KgtOe3Zxx4Ou5u80=
 github.com/scjalliance/comshim v0.0.0-20230315213746-5e51f40bd3b9 h1:rc/CcqLH3lh8n+csdOuDfP+NuykE0U6AeYSJJHKDgSg=
 github.com/scjalliance/comshim v0.0.0-20230315213746-5e51f40bd3b9/go.mod h1:a/83NAfUXvEuLpmxDssAXxgUgrEy12MId3Wd7OTs76s=
 github.com/vishvananda/netns v0.0.0-20211101163701-50045581ed74 h1:gga7acRE695APm9hlsSMoOoE65U4/TcqNj90mc69Rlg=
diff --git a/stack_gvisor.go b/stack_gvisor.go
index f32f7fc..108af21 100644
--- a/stack_gvisor.go
+++ b/stack_gvisor.go
@@ -136,7 +136,7 @@ func (t *GVisor) Start() error {
 				var metadata M.Metadata
 				metadata.Source = M.SocksaddrFromNet(lAddr)
 				metadata.Destination = M.SocksaddrFromNet(rAddr)
-				ctx, conn := canceler.NewPacketConn(t.ctx, bufio.NewPacketConn(&bufio.UnbindPacketConn{ExtendedConn: bufio.NewExtendedConn(gConn), Addr: M.SocksaddrFromNet(rAddr)}), time.Duration(t.udpTimeout)*time.Second)
+				ctx, conn := canceler.NewPacketConn(t.ctx, bufio.NewUnbindPacketConnWithAddr(gConn, metadata.Destination), time.Duration(t.udpTimeout)*time.Second)
 				hErr := t.handler.NewPacketConnection(ctx, conn, metadata)
 				if hErr != nil {
 					endpoint.Abort()
diff --git a/stack_mixed.go b/stack_mixed.go
index 522a3bb..41d0ce2 100644
--- a/stack_mixed.go
+++ b/stack_mixed.go
@@ -72,7 +72,7 @@ func (m *Mixed) Start() error {
 				var metadata M.Metadata
 				metadata.Source = M.SocksaddrFromNet(lAddr)
 				metadata.Destination = M.SocksaddrFromNet(rAddr)
-				ctx, conn := canceler.NewPacketConn(m.ctx, bufio.NewPacketConn(&bufio.UnbindPacketConn{ExtendedConn: bufio.NewExtendedConn(gConn), Addr: M.SocksaddrFromNet(rAddr)}), time.Duration(m.udpTimeout)*time.Second)
+				ctx, conn := canceler.NewPacketConn(m.ctx, bufio.NewUnbindPacketConnWithAddr(gConn, metadata.Destination), time.Duration(m.udpTimeout)*time.Second)
 				hErr := m.handler.NewPacketConnection(ctx, conn, metadata)
 				if hErr != nil {
 					endpoint.Abort()