diff --git a/terraform/modules/k8s-cluster/helm.tf b/terraform/modules/k8s-cluster/helm.tf
index 65863df..5a5c2ff 100644
--- a/terraform/modules/k8s-cluster/helm.tf
+++ b/terraform/modules/k8s-cluster/helm.tf
@@ -1,6 +1,6 @@
 resource "null_resource" "install_setup" {
   connection {
-    host        = hcloud_server_network.manager_private[0].ip
+    host        = hcloud_server.manager[0].ipv6_address
     user        = "root"
     type        = "ssh"
     private_key = var.terraform_private_ssh_key
@@ -44,7 +44,7 @@ resource "null_resource" "install_argocd_single" {
   count = var.number_nodes < 3 ? 1 : 0
 
   connection {
-    host        = hcloud_server_network.manager_private[0].ip
+    host        = hcloud_server.manager[0].ipv6_address
     user        = "root"
     type        = "ssh"
     private_key = var.terraform_private_ssh_key
@@ -66,7 +66,7 @@ resource "null_resource" "install_argocd_ha" {
   count = var.number_nodes >= 3 ? 1 : 0
 
   connection {
-    host        = hcloud_server_network.manager_private[0].ip
+    host        = hcloud_server.manager[0].ipv6_address
     user        = "root"
     type        = "ssh"
     private_key = var.terraform_private_ssh_key
diff --git a/terraform/modules/k8s-cluster/manager-node.tf b/terraform/modules/k8s-cluster/manager-node.tf
index 1203147..cbceeb2 100644
--- a/terraform/modules/k8s-cluster/manager-node.tf
+++ b/terraform/modules/k8s-cluster/manager-node.tf
@@ -95,7 +95,7 @@ resource "null_resource" "setup_tokens" {
   }
 
   connection {
-    host        = hcloud_server_network.manager_private[0].ip
+    host        = hcloud_server.manager[0].ipv6_address
     user        = "root"
     type        = "ssh"
     private_key = var.terraform_private_ssh_key
@@ -134,7 +134,7 @@ resource "null_resource" "join_nodes" {
     rerun = random_id.cluster_token.hex
   }
   connection {
-    host        = element(hcloud_server_network.manager_private.*.ip, count.index + 1)
+    host        = element(hcloud_server.manager.*.ipv6_address, count.index + 1)
     user        = "root"
     type        = "ssh"
     private_key = var.terraform_private_ssh_key
diff --git a/terraform/modules/k8s-cluster/worker-node.tf b/terraform/modules/k8s-cluster/worker-node.tf
index 54ec677..3abbc3a 100644
--- a/terraform/modules/k8s-cluster/worker-node.tf
+++ b/terraform/modules/k8s-cluster/worker-node.tf
@@ -79,7 +79,7 @@ resource "null_resource" "join_workers" {
     rerun = random_id.cluster_token.hex
   }
   connection {
-    host        = element(hcloud_server_network.worker_private.*.ip, count.index)
+    host        = element(hcloud_server.worker.*.ipv6_address, count.index)
     user        = "root"
     type        = "ssh"
     private_key = var.terraform_private_ssh_key