diff --git a/main.tf b/main.tf
index 92b55b8..72a31c1 100644
--- a/main.tf
+++ b/main.tf
@@ -158,7 +158,7 @@ resource "google_notebooks_instance" "caip_nbk_p_trusted" {
 
 module "access_level_members_higher_trust" {
   source  = "terraform-google-modules/vpc-service-controls/google//modules/access_level"
-  version = "~> 2.0"
+  version = "~> 6.0"
 
   policy         = var.default_policy_id
   name           = format("higher_trust_notebooks_members_%s", random_string.random_name.result)
@@ -186,7 +186,7 @@ data "google_project" "trusted_kms" {
 
 module "regular_service_perimeter_higher_trust" {
   source  = "terraform-google-modules/vpc-service-controls/google//modules/regular_service_perimeter"
-  version = "~> 2.0"
+  version = "~> 6.0"
 
   policy         = var.default_policy_id
   perimeter_name = format("higher_trust_notebooks_%s", random_string.random_name.result)