diff --git a/golang-network/simple/go.mod b/golang-network/simple/go.mod
index 7e71da2c..6e56d51f 100644
--- a/golang-network/simple/go.mod
+++ b/golang-network/simple/go.mod
@@ -8,7 +8,7 @@ toolchain go1.24.9
 // NOTICE: these lines could be generated automatically by "go mod tidy"
 require (
 	github.com/cncf/xds/go v0.0.0-20251110193048-8bfbf64dc13e
-	github.com/envoyproxy/envoy v1.37.0
+	github.com/envoyproxy/envoy v1.37.1
 	google.golang.org/protobuf v1.36.11
 )
 
diff --git a/golang-network/simple/go.sum b/golang-network/simple/go.sum
index 306e84b0..e351b312 100644
--- a/golang-network/simple/go.sum
+++ b/golang-network/simple/go.sum
@@ -2,8 +2,8 @@ cel.dev/expr v0.24.0 h1:56OvJKSH3hDGL0ml5uSxZmz3/3Pq4tJ+fb1unVLAFcY=
 cel.dev/expr v0.24.0/go.mod h1:hLPLo1W4QUmuYdA72RBX06QTs6MXw941piREPl3Yfiw=
 github.com/cncf/xds/go v0.0.0-20251110193048-8bfbf64dc13e h1:gt7U1Igw0xbJdyaCM5H2CnlAlPSkzrhsebQB6WQWjLA=
 github.com/cncf/xds/go v0.0.0-20251110193048-8bfbf64dc13e/go.mod h1:KdCmV+x/BuvyMxRnYBlmVaq4OLiKW6iRQfvC62cvdkI=
-github.com/envoyproxy/envoy v1.37.0 h1:OdWP94hv7PQOve8pCQfcIItWW+ut35uzuweV+5oOsA8=
-github.com/envoyproxy/envoy v1.37.0/go.mod h1:B54Cuqc1UgTw7dhKzh6HYfBDRi2pXczlQlRY38Py2yE=
+github.com/envoyproxy/envoy v1.37.1 h1:6EssOVUJqvlGQAWbGGobe3p8y7MepNhs8De4pXfqgBw=
+github.com/envoyproxy/envoy v1.37.1/go.mod h1:B54Cuqc1UgTw7dhKzh6HYfBDRi2pXczlQlRY38Py2yE=
 github.com/envoyproxy/protoc-gen-validate v1.2.1 h1:DEo3O99U8j4hBFwbJfrz9VtgcDfUKS7KJ7spH3d86P8=
 github.com/envoyproxy/protoc-gen-validate v1.2.1/go.mod h1:d/C80l/jxXLdfEIhX1W2TmLfsJ31lvEjwamM4DxlWXU=
 github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=