diff --git a/golang-network/simple/go.mod b/golang-network/simple/go.mod
index a7e65f89..6d0da8b1 100644
--- a/golang-network/simple/go.mod
+++ b/golang-network/simple/go.mod
@@ -8,8 +8,8 @@ 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 v1.36.2
-	google.golang.org/protobuf v1.36.10
+	github.com/envoyproxy/envoy v1.36.4
+	google.golang.org/protobuf v1.36.11
 )
 
 require (
diff --git a/golang-network/simple/go.sum b/golang-network/simple/go.sum
index 3a4cfe1d..790ac6df 100644
--- a/golang-network/simple/go.sum
+++ b/golang-network/simple/go.sum
@@ -1,11 +1,9 @@
 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 v0.0.0-20251031190108-5cf4b1949528 h1:/LeN/a7nXz/nkJkihmSFToTx0L8fvolwdEjwv1GygXE=
-github.com/cncf/xds/go v0.0.0-20251031190108-5cf4b1949528/go.mod h1:KdCmV+x/BuvyMxRnYBlmVaq4OLiKW6iRQfvC62cvdkI=
 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 v1.36.2 h1:87+0C7ZCbGJdDfD9sVsvqGLVvGk2OIKuxzzm9oNpvDM=
-github.com/envoyproxy/envoy v1.36.2/go.mod h1:mgMEye9tOlNiUTG+iYhQYgCzQcX46MMS0Jo6bVwRt1U=
+github.com/envoyproxy/envoy v1.36.4 h1:O1WqXkfUxFgJdHkx0oNUvh4ssbzYGGcl9qGf8OmPQOo=
+github.com/envoyproxy/envoy v1.36.4/go.mod h1:mgMEye9tOlNiUTG+iYhQYgCzQcX46MMS0Jo6bVwRt1U=
 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=
@@ -14,5 +12,5 @@ google.golang.org/genproto/googleapis/api v0.0.0-20240903143218-8af14fe29dc1 h1:
 google.golang.org/genproto/googleapis/api v0.0.0-20240903143218-8af14fe29dc1/go.mod h1:qpvKtACPCQhAdu3PyQgV4l3LMXZEtft7y8QcarRsp9I=
 google.golang.org/genproto/googleapis/rpc v0.0.0-20240903143218-8af14fe29dc1 h1:pPJltXNxVzT4pK9yD8vR9X75DaWYYmLGMsEvBfFQZzQ=
 google.golang.org/genproto/googleapis/rpc v0.0.0-20240903143218-8af14fe29dc1/go.mod h1:UqMtugtsSgubUsoxbuAoiCXvqvErP7Gf0so0mK9tHxU=
-google.golang.org/protobuf v1.36.10 h1:AYd7cD/uASjIL6Q9LiTjz8JLcrh/88q5UObnmY3aOOE=
-google.golang.org/protobuf v1.36.10/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
+google.golang.org/protobuf v1.36.11 h1:fV6ZwhNocDyBLK0dj+fg8ektcVegBBuEolpbTQyBNVE=
+google.golang.org/protobuf v1.36.11/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=