diff --git a/0-bootstrap/main.tf b/0-bootstrap/main.tf
index 0aa455d3a..dc60cd9f8 100644
--- a/0-bootstrap/main.tf
+++ b/0-bootstrap/main.tf
@@ -31,7 +31,7 @@ resource "google_folder" "bootstrap" {
 
 module "seed_bootstrap" {
   source                         = "terraform-google-modules/bootstrap/google"
-  version                        = "~> 3.0"
+  version                        = "~> 6.4"
   org_id                         = var.org_id
   folder_id                      = google_folder.bootstrap.id
   project_id                     = "${var.project_prefix}-b-seed"
@@ -102,7 +102,7 @@ resource "google_billing_account_iam_member" "tf_billing_admin" {
 // Comment-out the cloudbuild_bootstrap module and its outputs if you want to use Jenkins instead of Cloud Build
 module "cloudbuild_bootstrap" {
   source                      = "terraform-google-modules/bootstrap/google//modules/cloudbuild"
-  version                     = "~> 3.0"
+  version                     = "~> 6.4"
   org_id                      = var.org_id
   folder_id                   = google_folder.bootstrap.id
   project_id                  = "${var.project_prefix}-b-cicd"