diff --git a/go.mod b/go.mod
index ff9af5a3..3d478710 100644
--- a/go.mod
+++ b/go.mod
@@ -16,8 +16,8 @@ require (
 	github.com/pelletier/go-toml v1.9.5
 	github.com/pires/go-proxyproto v0.6.2
 	github.com/refraction-networking/utls v1.1.0
-	github.com/sagernet/sing v0.0.0-20220619130320-8793fe5e067d
-	github.com/sagernet/sing-shadowsocks v0.0.0-20220619134218-830a2f478eb1
+	github.com/sagernet/sing v0.0.0-20220627234642-a817f7084d9c
+	github.com/sagernet/sing-shadowsocks v0.0.0-20220627234717-689e0165ef2c
 	github.com/seiflotfy/cuckoofilter v0.0.0-20220411075957-e3b120b3f5fb
 	github.com/stretchr/testify v1.7.5
 	github.com/v2fly/ss-bloomring v0.0.0-20210312155135-28617310f63e
diff --git a/go.sum b/go.sum
index 8fba7ed2..77697bff 100644
--- a/go.sum
+++ b/go.sum
@@ -172,10 +172,10 @@ github.com/riobard/go-bloom v0.0.0-20200614022211-cdc8013cb5b3 h1:f/FNXud6gA3MNr
 github.com/riobard/go-bloom v0.0.0-20200614022211-cdc8013cb5b3/go.mod h1:HgjTstvQsPGkxUsCd2KWxErBblirPizecHcpD3ffK+s=
 github.com/rogpeppe/fastuuid v1.2.0/go.mod h1:jVj6XXZzXRy/MSR5jhDC/2q6DgLz+nrA6LYCDYWNEvQ=
 github.com/russross/blackfriday v1.5.2/go.mod h1:JO/DiYxRf+HjHt06OyowR9PTA263kcR/rfWxYHBV53g=
-github.com/sagernet/sing v0.0.0-20220619130320-8793fe5e067d h1:zr8y4wmNIxv6Kkvgqysx8Piy82ATAThEj1jaEf23YQs=
-github.com/sagernet/sing v0.0.0-20220619130320-8793fe5e067d/go.mod h1:I67R/q5f67xDExL2kL3RLIP7kGJBOPkYXkpRAykgC+E=
-github.com/sagernet/sing-shadowsocks v0.0.0-20220619134218-830a2f478eb1 h1:3GEdnWbuSX4XwSKnxLUB/1rMXUxSVKeyRhEeT7k7N1Q=
-github.com/sagernet/sing-shadowsocks v0.0.0-20220619134218-830a2f478eb1/go.mod h1:xk8Hh1hQiTeiY6jHCQjaxxN8M6B94JoGaNx5q61naE8=
+github.com/sagernet/sing v0.0.0-20220627234642-a817f7084d9c h1:98QC0wtaD648MFPw82KaT1O9LloQgR4ZyIDtNtsno8Y=
+github.com/sagernet/sing v0.0.0-20220627234642-a817f7084d9c/go.mod h1:I67R/q5f67xDExL2kL3RLIP7kGJBOPkYXkpRAykgC+E=
+github.com/sagernet/sing-shadowsocks v0.0.0-20220627234717-689e0165ef2c h1:Jhgjyb2jXL4GtwJec6/kgeTqaQXsvMiNX2wAkGOSD3I=
+github.com/sagernet/sing-shadowsocks v0.0.0-20220627234717-689e0165ef2c/go.mod h1:ng5pxdNnKZWlxzZTXRqWeY0ftzhScPZmjgJGJeRuPYY=
 github.com/seiflotfy/cuckoofilter v0.0.0-20220411075957-e3b120b3f5fb h1:XfLJSPIOUX+osiMraVgIrMR27uMXnRJWGm1+GL8/63U=
 github.com/seiflotfy/cuckoofilter v0.0.0-20220411075957-e3b120b3f5fb/go.mod h1:bR6DqgcAl1zTcOX8/pE2Qkj9XO00eCNqmKb7lXP8EAg=
 github.com/sergi/go-diff v1.0.0/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo=
diff --git a/proxy/shadowsocks_2022/inbound.go b/proxy/shadowsocks_2022/inbound.go
index 6ff7fc67..5856871f 100644
--- a/proxy/shadowsocks_2022/inbound.go
+++ b/proxy/shadowsocks_2022/inbound.go
@@ -4,7 +4,6 @@ package shadowsocks_2022
 
 import (
 	"context"
-
 	"github.com/sagernet/sing-shadowsocks"
 	"github.com/sagernet/sing-shadowsocks/shadowaead_2022"
 	C "github.com/sagernet/sing/common"
@@ -86,8 +85,10 @@ func (i *Inbound) Process(ctx context.Context, network net.Network, connection s
 				return returnError(err)
 			}
 			for _, buffer := range mb {
-				err = i.service.NewPacket(ctx, pc, B.As(buffer.Bytes()).ToOwned(), metadata)
+				packet := B.As(buffer.Bytes()).ToOwned()
+				err = i.service.NewPacket(ctx, pc, packet, metadata)
 				if err != nil {
+					packet.Release()
 					buf.ReleaseMulti(mb)
 					return err
 				}
diff --git a/proxy/shadowsocks_2022/inbound_multi.go b/proxy/shadowsocks_2022/inbound_multi.go
index 1b1da464..a7fa29bd 100644
--- a/proxy/shadowsocks_2022/inbound_multi.go
+++ b/proxy/shadowsocks_2022/inbound_multi.go
@@ -106,8 +106,10 @@ func (i *MultiUserInbound) Process(ctx context.Context, network net.Network, con
 				return returnError(err)
 			}
 			for _, buffer := range mb {
-				err = i.service.NewPacket(ctx, pc, B.As(buffer.Bytes()).ToOwned(), metadata)
+				packet := B.As(buffer.Bytes()).ToOwned()
+				err = i.service.NewPacket(ctx, pc, packet, metadata)
 				if err != nil {
+					packet.Release()
 					buf.ReleaseMulti(mb)
 					return err
 				}
diff --git a/proxy/shadowsocks_2022/inbound_relay.go b/proxy/shadowsocks_2022/inbound_relay.go
index 77a474a8..fb35b81e 100644
--- a/proxy/shadowsocks_2022/inbound_relay.go
+++ b/proxy/shadowsocks_2022/inbound_relay.go
@@ -105,8 +105,10 @@ func (i *RelayInbound) Process(ctx context.Context, network net.Network, connect
 				return returnError(err)
 			}
 			for _, buffer := range mb {
-				err = i.service.NewPacket(ctx, pc, B.As(buffer.Bytes()).ToOwned(), metadata)
+				packet := B.As(buffer.Bytes()).ToOwned()
+				err = i.service.NewPacket(ctx, pc, packet, metadata)
 				if err != nil {
+					packet.Release()
 					buf.ReleaseMulti(mb)
 					return err
 				}