diff --git a/terraform/hetzner.tf b/terraform/hetzner.tf
index 3b17147..f4f023c 100644
--- a/terraform/hetzner.tf
+++ b/terraform/hetzner.tf
@@ -10,6 +10,9 @@ resource "hcloud_network" "kubernetes-network" {
   name              = "kubernetes"
   ip_range          = "10.0.0.0/8"
   delete_protection = true
+  labels = {
+    "kubernetes.io/cluster/${local.test_cluster}" : "shared"
+  }
 }
 
 resource "hcloud_network_subnet" "k8s-network-subnet" {
@@ -17,6 +20,9 @@ resource "hcloud_network_subnet" "k8s-network-subnet" {
   network_id   = hcloud_network.kubernetes-network.id
   network_zone = "eu-central"
   ip_range     = "10.0.0.0/16"
+  labels = {
+    "kubernetes.io/cluster/${local.test_cluster}" : "shared"
+  }
 }
 
 resource "hcloud_firewall" "basic-firewall" {
diff --git a/terraform/main.tf b/terraform/main.tf
index 1f2c077..aeababd 100644
--- a/terraform/main.tf
+++ b/terraform/main.tf
@@ -19,7 +19,8 @@ data "hcloud_ssh_key" "macos" {
 }
 
 locals {
-  domain = "2martens.de"
+  domain       = "2martens.de"
+  test_cluster = "test"
 }
 
 module "test_cluster" {
@@ -51,7 +52,7 @@ module "test_cluster" {
     cidrhost(hcloud_network_subnet.k8s-network-subnet.ip_range, 6)
   ]
   server_subnet_id    = hcloud_network_subnet.k8s-network-subnet.id
-  cluster_name        = "test"
+  cluster_name        = local.test_cluster
   argocd_environment  = "test"
   number_nodes        = 1
   server_type         = "cax21"