diff --git a/go.mod b/go.mod
index e7f0316d..4780104b 100644
--- a/go.mod
+++ b/go.mod
@@ -22,7 +22,7 @@ require (
 	github.com/metacubex/chacha v0.1.5
 	github.com/metacubex/fswatch v0.1.1
 	github.com/metacubex/gopacket v1.1.20-0.20230608035415-7e2f98a3e759
-	github.com/metacubex/kcp-go v0.0.0-20250922034656-df9a2b90cdf7
+	github.com/metacubex/kcp-go v0.0.0-20250923001605-1ba6f691c45b
 	github.com/metacubex/quic-go v0.54.1-0.20250730114134-a1ae705fe295
 	github.com/metacubex/randv2 v0.2.0
 	github.com/metacubex/restls-client-go v0.1.7
diff --git a/go.sum b/go.sum
index f27f5baf..f51fdde7 100644
--- a/go.sum
+++ b/go.sum
@@ -112,8 +112,8 @@ github.com/metacubex/gopacket v1.1.20-0.20230608035415-7e2f98a3e759 h1:cjd4biTvO
 github.com/metacubex/gopacket v1.1.20-0.20230608035415-7e2f98a3e759/go.mod h1:UHOv2xu+RIgLwpXca7TLrXleEd4oR3sPatW6IF8wU88=
 github.com/metacubex/gvisor v0.0.0-20250919004547-6122b699a301 h1:N5GExQJqYAH3gOCshpp2u/J3CtNYzMctmlb0xK9wtbQ=
 github.com/metacubex/gvisor v0.0.0-20250919004547-6122b699a301/go.mod h1:8LpS0IJW1VmWzUm3ylb0e2SK5QDm5lO/2qwWLZgRpBU=
-github.com/metacubex/kcp-go v0.0.0-20250922034656-df9a2b90cdf7 h1:vGsrjQxlepSfkMALzJuvDzd+wp6NvKXpoyPuPb4SYCE=
-github.com/metacubex/kcp-go v0.0.0-20250922034656-df9a2b90cdf7/go.mod h1:HIJZW4QMhbBqXuqC1ly6Hn0TEYT2SzRw58ns1yGhXTs=
+github.com/metacubex/kcp-go v0.0.0-20250923001605-1ba6f691c45b h1:z7JLKjugnQ1qvDOAD8yMA5C8AlJY3bG+VrrgRntRlUY=
+github.com/metacubex/kcp-go v0.0.0-20250923001605-1ba6f691c45b/go.mod h1:HIJZW4QMhbBqXuqC1ly6Hn0TEYT2SzRw58ns1yGhXTs=
 github.com/metacubex/nftables v0.0.0-20250503052935-30a69ab87793 h1:1Qpuy+sU3DmyX9HwI+CrBT/oLNJngvBorR2RbajJcqo=
 github.com/metacubex/nftables v0.0.0-20250503052935-30a69ab87793/go.mod h1:RjRNb4G52yAgfR+Oe/kp9G4PJJ97Fnj89eY1BFO3YyA=
 github.com/metacubex/quic-go v0.54.1-0.20250730114134-a1ae705fe295 h1:8JVlYuE8uSJAvmyCd4TjvDxs57xjb0WxEoaWafK5+qs=