diff --git a/go.mod b/go.mod
index 8c70783e..140b1be0 100644
--- a/go.mod
+++ b/go.mod
@@ -3,6 +3,7 @@ module github.com/Dreamacro/clash
 go 1.19
 
 require (
+	github.com/aead/chacha20 v0.0.0-20180709150244-8b13a72661da
 	github.com/cilium/ebpf v0.9.3
 	github.com/coreos/go-iptables v0.6.0
 	github.com/database64128/tfo-go/v2 v2.0.2
@@ -24,7 +25,7 @@ require (
 	github.com/sagernet/netlink v0.0.0-20220905062125-8043b4a9aa97
 	github.com/sagernet/sing v0.0.0-20221008120626-60a9910eefe4
 	github.com/sagernet/sing-shadowsocks v0.0.0-20221112030934-e55284e180ea
-	github.com/sagernet/sing-tun v0.0.0-20221012082254-488c3b75f6fd
+	github.com/sagernet/sing-tun v0.0.0-20221104121441-66c48a57776f
 	github.com/sagernet/sing-vmess v0.0.0-20221109021549-b446d5bdddf0
 	github.com/sagernet/wireguard-go v0.0.0-20221108054404-7c2acadba17c
 	github.com/sirupsen/logrus v1.9.0
@@ -47,7 +48,7 @@ replace github.com/lucas-clemente/quic-go => github.com/HyNetwork/quic-go v0.30.
 
 replace github.com/sagernet/sing-tun => github.com/MetaCubeX/sing-tun v0.0.0-20221105124245-542e9b56a6dc
 
-replace github.com/sagernet/sing-shadowsocks => github.com/MetaCubeX/sing-shadowsocks v0.0.0-20221115121930-f1357ec9c15e
+replace github.com/sagernet/sing-shadowsocks => github.com/MetaCubeX/sing-shadowsocks v0.0.0-20221116103607-48a7095182b1
 
 require (
 	github.com/ajg/form v1.5.1 // indirect
diff --git a/go.sum b/go.sum
index 96c25304..e85ef9b1 100644
--- a/go.sum
+++ b/go.sum
@@ -1,9 +1,11 @@
 github.com/HyNetwork/quic-go v0.30.1-0.20221105180419-83715d7269a8 h1:FBo40lMrk1bZZzJRJx8U+bQUPhLDGTUJ/Q5NV5BbO4Q=
 github.com/HyNetwork/quic-go v0.30.1-0.20221105180419-83715d7269a8/go.mod h1:ssOrRsOmdxa768Wr78vnh2B8JozgLsMzG/g+0qEC7uk=
-github.com/MetaCubeX/sing-shadowsocks v0.0.0-20221115121930-f1357ec9c15e h1:61mKDq9ldYCH3Yb/Pelib+ISIXegprbm1CSPGB+HpT4=
-github.com/MetaCubeX/sing-shadowsocks v0.0.0-20221115121930-f1357ec9c15e/go.mod h1:16sNARQbsFbYIzAuPySszQA6Wfgzk7GWSzh1a6kDrUU=
+github.com/MetaCubeX/sing-shadowsocks v0.0.0-20221116103607-48a7095182b1 h1:guMcwJSIjk+jg/38uMPK5hIWVSaLHJ/l+ABZ8w2CKm0=
+github.com/MetaCubeX/sing-shadowsocks v0.0.0-20221116103607-48a7095182b1/go.mod h1:3bW+hVWFXOxRC1HL6CO6QHkegqjLohErGbcvt6dUN18=
 github.com/MetaCubeX/sing-tun v0.0.0-20221105124245-542e9b56a6dc h1:B1vmR4cwDjJQ6YM8NkuXmt9vIYOdV/+qA+F3UAFE3YY=
 github.com/MetaCubeX/sing-tun v0.0.0-20221105124245-542e9b56a6dc/go.mod h1:1u3pjXA9HmH7kRiBJqM3C/zPxrxnCLd3svmqtub/RFU=
+github.com/aead/chacha20 v0.0.0-20180709150244-8b13a72661da h1:KjTM2ks9d14ZYCvmHS9iAKVt9AyzRSqNU1qabPih5BY=
+github.com/aead/chacha20 v0.0.0-20180709150244-8b13a72661da/go.mod h1:eHEWzANqSiWQsof+nXEI9bUVUyV6F53Fp89EuCh2EAA=
 github.com/ajg/form v1.5.1 h1:t9c7v8JUKu/XxOGBU0yjNpaMloxGEJhUkqFRq0ibGeU=
 github.com/ajg/form v1.5.1/go.mod h1:uL1WgH+h2mgNtvBq0339dVnzXdBETtL2LeUXaIv25UY=
 github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
diff --git a/transport/shadowsocks/core/cipher.go b/transport/shadowsocks/core/cipher.go
index 2f5acf63..7f4f7f71 100644
--- a/transport/shadowsocks/core/cipher.go
+++ b/transport/shadowsocks/core/cipher.go
@@ -59,6 +59,7 @@ var streamList = map[string]struct {
 	"AES-128-CFB":   {16, shadowstream.AESCFB},
 	"AES-192-CFB":   {24, shadowstream.AESCFB},
 	"AES-256-CFB":   {32, shadowstream.AESCFB},
+	"CHACHA20":      {32, shadowstream.ChaCha20},
 	"CHACHA20-IETF": {32, shadowstream.Chacha20IETF},
 	"XCHACHA20":     {32, shadowstream.Xchacha20},
 }
diff --git a/transport/shadowsocks/shadowstream/old_chacha20.go b/transport/shadowsocks/shadowstream/old_chacha20.go
new file mode 100644
index 00000000..65737fcc
--- /dev/null
+++ b/transport/shadowsocks/shadowstream/old_chacha20.go
@@ -0,0 +1,22 @@
+package shadowstream
+
+import (
+	"crypto/cipher"
+	"github.com/aead/chacha20/chacha"
+)
+
+type chacha20key []byte
+
+func (k chacha20key) IVSize() int {
+	return chacha.NonceSize
+}
+func (k chacha20key) Encrypter(iv []byte) cipher.Stream {
+	c, _ := chacha.NewCipher(iv, k, 20)
+	return c
+}
+func (k chacha20key) Decrypter(iv []byte) cipher.Stream {
+	return k.Encrypter(iv)
+}
+func ChaCha20(key []byte) (Cipher, error) {
+	return chacha20key(key), nil
+}