diff --git a/04.router/go.mod b/04.router/go.mod
index 2c14075..6476195 100644
--- a/04.router/go.mod
+++ b/04.router/go.mod
@@ -22,8 +22,8 @@ require (
 	go.opentelemetry.io/otel v1.14.0 // indirect
 	go.opentelemetry.io/otel/sdk v1.14.0 // indirect
 	go.opentelemetry.io/otel/trace v1.14.0 // indirect
-	golang.org/x/net v0.17.0 // indirect
-	golang.org/x/sys v0.13.0 // indirect
-	golang.org/x/text v0.13.0 // indirect
+	golang.org/x/net v0.23.0 // indirect
+	golang.org/x/sys v0.18.0 // indirect
+	golang.org/x/text v0.14.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )