diff --git a/test/terraform/main.tf b/test/terraform/main.tf
index 3556c6f..c56f409 100644
--- a/test/terraform/main.tf
+++ b/test/terraform/main.tf
@@ -8,7 +8,7 @@ resource "random_id" "suffix" {
 
 data "google_container_engine_versions" "main" {
   location = "${var.zone}"
-  version_prefix = "1.17."
+  version_prefix = "1.18."
 }
 
 data "google_service_account" "gcpapi" {