diff --git a/tests/gke_zero_cluster.tf b/tests/gke_zero_cluster.tf
index c7a5a7a5..ee208d49 100644
--- a/tests/gke_zero_cluster.tf
+++ b/tests/gke_zero_cluster.tf
@@ -20,7 +20,7 @@ module "gke_zero" {
       name_prefix = "kbstacctest"
       base_domain = "infra.serverwolken.de"
 
-      cluster_min_master_version = data.google_container_engine_versions.gke_zero.default_cluster_version
+      cluster_min_master_version = data.google_container_engine_versions.gke_zero.release_channel_default_version["STABLE"]
 
       cluster_machine_type   = "e2-medium"
       cluster_min_node_count = 1