diff --git a/go.mod b/go.mod
index 370e789..1a865ee 100644
--- a/go.mod
+++ b/go.mod
@@ -16,7 +16,7 @@ require (
 	github.com/patrickmn/go-cache v2.1.0+incompatible
 	github.com/r3labs/diff/v2 v2.15.1
 	github.com/redis/go-redis/v9 v9.3.1
-	github.com/sagernet/sing v0.2.20
+	github.com/sagernet/sing v0.2.21
 	github.com/sagernet/sing-shadowsocks v0.2.6
 	github.com/shirou/gopsutil/v3 v3.23.12
 	github.com/sirupsen/logrus v1.9.3
diff --git a/go.sum b/go.sum
index dac9a11..5b8fcd5 100644
--- a/go.sum
+++ b/go.sum
@@ -752,8 +752,8 @@ github.com/sacloud/iaas-api-go v1.11.1 h1:2MsFZ4H1uRdRVx2nVXuERWQ3swoFc3XreIV5hJ
 github.com/sacloud/iaas-api-go v1.11.1/go.mod h1:uBDSa06F/V0OnoR66jGdbH0PVnCJw+NeE9RVbVgMfss=
 github.com/sacloud/packages-go v0.0.9 h1:GbinkBLC/eirFhHpLjoDW6JV7+95Rnd2d8RWj7Afeks=
 github.com/sacloud/packages-go v0.0.9/go.mod h1:k+EEUMF2LlncjbNIJNOqLyZ9wjTESPIWIk1OA7x9j2Q=
-github.com/sagernet/sing v0.2.20 h1:ckcCB/5xu8G8wElNeH74IF6Soac5xWN+eQUXRuonjPQ=
-github.com/sagernet/sing v0.2.20/go.mod h1:Ce5LNojQOgOiWhiD8pPD6E9H7e2KgtOe3Zxx4Ou5u80=
+github.com/sagernet/sing v0.2.21 h1:SMHJOAvGX+9HqgOeKUNVj1vesVm6Kw7VuUZSDk3Oyfo=
+github.com/sagernet/sing v0.2.21/go.mod h1:Ce5LNojQOgOiWhiD8pPD6E9H7e2KgtOe3Zxx4Ou5u80=
 github.com/sagernet/sing-shadowsocks v0.2.6 h1:xr7ylAS/q1cQYS8oxKKajhuQcchd5VJJ4K4UZrrpp0s=
 github.com/sagernet/sing-shadowsocks v0.2.6/go.mod h1:j2YZBIpWIuElPFL/5sJAj470bcn/3QQ5lxZUNKLDNAM=
 github.com/sagikazarmark/locafero v0.4.0 h1:HApY1R9zGo4DBgr7dqsTH/JJxLTTsOt7u6keLGt6kNQ=