diff --git a/3-networks/modules/dedicated_interconnect/main.tf b/3-networks/modules/dedicated_interconnect/main.tf
index 9439a5301..9195f78ca 100644
--- a/3-networks/modules/dedicated_interconnect/main.tf
+++ b/3-networks/modules/dedicated_interconnect/main.tf
@@ -34,7 +34,7 @@ data "google_projects" "interconnect_project" {
 
 module "interconnect_attachment1_region1" {
   source  = "terraform-google-modules/cloud-router/google//modules/interconnect_attachment"
-  version = "~> 0.3.0"
+  version = "~> 4.0.0"
 
   name    = "vl-${var.region1_interconnect1_location}-${var.vpc_name}-${var.region1}-${local.suffix1}"
   project = local.interconnect_project_id
@@ -57,7 +57,7 @@ module "interconnect_attachment1_region1" {
 
 module "interconnect_attachment2_region1" {
   source  = "terraform-google-modules/cloud-router/google//modules/interconnect_attachment"
-  version = "~> 0.3.0"
+  version = "~> 4.0.0"
 
   name    = "vl-${var.region1_interconnect2_location}-${var.vpc_name}-${var.region1}-${local.suffix2}"
   project = local.interconnect_project_id
@@ -80,7 +80,7 @@ module "interconnect_attachment2_region1" {
 
 module "interconnect_attachment1_region2" {
   source  = "terraform-google-modules/cloud-router/google//modules/interconnect_attachment"
-  version = "~> 0.3.0"
+  version = "~> 4.0.0"
 
   name    = "vl-${var.region2_interconnect1_location}-${var.vpc_name}-${var.region2}-${local.suffix3}"
   project = local.interconnect_project_id
@@ -103,7 +103,7 @@ module "interconnect_attachment1_region2" {
 
 module "interconnect_attachment2_region2" {
   source  = "terraform-google-modules/cloud-router/google//modules/interconnect_attachment"
-  version = "~> 0.3.0"
+  version = "~> 4.0.0"
 
   name    = "vl-${var.region2_interconnect2_location}-${var.vpc_name}-${var.region2}-${local.suffix4}"
   project = local.interconnect_project_id