diff --git a/go.mod b/go.mod
index 41519132..60130267 100644
--- a/go.mod
+++ b/go.mod
@@ -28,7 +28,7 @@ require (
 	github.com/sagernet/sing-dns v0.1.5-0.20230426113254-25d948c44223
 	github.com/sagernet/sing-mux v0.0.0-20230517134606-1ebe6bb26646
 	github.com/sagernet/sing-shadowsocks v0.2.2-0.20230509053848-d83f8fe1194c
-	github.com/sagernet/sing-shadowsocks2 v0.0.0-20230512030659-23bb92c1eb97
+	github.com/sagernet/sing-shadowsocks2 v0.0.0-20230608022204-942fbd98f846
 	github.com/sagernet/sing-shadowtls v0.1.2-0.20230531025805-ebadc7615da3
 	github.com/sagernet/sing-tun v0.1.5-0.20230520041100-b02f2529160e
 	github.com/sagernet/sing-vmess v0.1.5-0.20230417103030-8c3070ae3fb3
diff --git a/go.sum b/go.sum
index 867ec4cc..17e9afd4 100644
--- a/go.sum
+++ b/go.sum
@@ -121,8 +121,8 @@ github.com/sagernet/sing-mux v0.0.0-20230517134606-1ebe6bb26646 h1:X3ADfMqeGns1Q
 github.com/sagernet/sing-mux v0.0.0-20230517134606-1ebe6bb26646/go.mod h1:pF+RnLvCAOhECrvauy6LYOpBakJ/vuaF1Wm4lPsWryI=
 github.com/sagernet/sing-shadowsocks v0.2.2-0.20230509053848-d83f8fe1194c h1:EiQ+i4gdPpSI8D2YUlOeBZA3R1ZGi0ShSLSXoSd/13A=
 github.com/sagernet/sing-shadowsocks v0.2.2-0.20230509053848-d83f8fe1194c/go.mod h1:UJjvQGw0lyYaDGIDvUraL16fwaAEH1WFw1Y6sUcMPog=
-github.com/sagernet/sing-shadowsocks2 v0.0.0-20230512030659-23bb92c1eb97 h1:Mc5dbIMFF3ph3JofkBv3loq1qdBLktER+LL0IpoLm5M=
-github.com/sagernet/sing-shadowsocks2 v0.0.0-20230512030659-23bb92c1eb97/go.mod h1:i6Eoor37Cy4JKBcelMMFfUVBNjqRYuvcqOBjUI3Zw80=
+github.com/sagernet/sing-shadowsocks2 v0.0.0-20230608022204-942fbd98f846 h1:aiEEbDyPS/IFx0V9RNa1yLdxHHegNP+q7JFpST/8D5I=
+github.com/sagernet/sing-shadowsocks2 v0.0.0-20230608022204-942fbd98f846/go.mod h1:i6Eoor37Cy4JKBcelMMFfUVBNjqRYuvcqOBjUI3Zw80=
 github.com/sagernet/sing-shadowtls v0.1.2-0.20230531025805-ebadc7615da3 h1:PNwJs1F+3e/iZguYQR7YzxsH8Sm0Eu7vVuHawD89r34=
 github.com/sagernet/sing-shadowtls v0.1.2-0.20230531025805-ebadc7615da3/go.mod h1:oG8bPerYI6cZ74KquY3DvA7ynECyrILPBnce6wtBqeI=
 github.com/sagernet/sing-tun v0.1.5-0.20230520041100-b02f2529160e h1:fivkzQowiOPBafklJmNePBu/sr83rsY5SuSakvoJ2A0=
diff --git a/test/shadowsocks_test.go b/test/shadowsocks_test.go
index 6bf099a9..07b324d2 100644
--- a/test/shadowsocks_test.go
+++ b/test/shadowsocks_test.go
@@ -40,6 +40,10 @@ func TestShadowsocks(t *testing.T) {
 	}
 }
 
+func TestShadowsocksNone(t *testing.T) {
+	testShadowsocksSelf(t, "none", "")
+}
+
 func TestShadowsocks2022(t *testing.T) {
 	for _, method16 := range []string{
 		"2022-blake3-aes-128-gcm",