diff --git a/3-networks-hub-and-spoke/modules/transitivity/main.tf b/3-networks-hub-and-spoke/modules/transitivity/main.tf
index 95f74693e1..82c075b964 100644
--- a/3-networks-hub-and-spoke/modules/transitivity/main.tf
+++ b/3-networks-hub-and-spoke/modules/transitivity/main.tf
@@ -36,7 +36,7 @@ module "service_account" {
 
 module "templates" {
   source   = "terraform-google-modules/vm/google//modules/instance_template"
-  version  = "~> 8.0"
+  version  = "~> 9.0"
   for_each = toset(var.regions)
 
   can_ip_forward = true
@@ -64,7 +64,7 @@ module "templates" {
 
 module "migs" {
   source   = "terraform-google-modules/vm/google//modules/mig"
-  version  = "~> 8.0"
+  version  = "~> 9.0"
   for_each = toset(var.regions)
 
   project_id        = var.project_id
diff --git a/5-app-infra/modules/env_base/main.tf b/5-app-infra/modules/env_base/main.tf
index 303dda4047..f22851fc57 100644
--- a/5-app-infra/modules/env_base/main.tf
+++ b/5-app-infra/modules/env_base/main.tf
@@ -44,7 +44,7 @@ resource "google_service_account" "compute_engine_service_account" {
 
 module "instance_template" {
   source  = "terraform-google-modules/vm/google//modules/instance_template"
-  version = "~> 8.0"
+  version = "~> 9.0"
 
   machine_type = var.machine_type
   region       = var.region
@@ -63,7 +63,7 @@ module "instance_template" {
 
 module "compute_instance" {
   source  = "terraform-google-modules/vm/google//modules/compute_instance"
-  version = "~> 8.0"
+  version = "~> 9.0"
 
   region            = var.region
   subnetwork        = local.subnetwork_self_link