diff --git a/bootstrap/provisioning/main.tf b/bootstrap/provisioning/main.tf
index 0b00d64..2540333 100644
--- a/bootstrap/provisioning/main.tf
+++ b/bootstrap/provisioning/main.tf
@@ -124,7 +124,7 @@ resource "null_resource" "pimox_template_vm_create" {
     pimox_user       = var.pimox_user
     ssh_key_path     = var.pimox_ssh_key_path
     qm_bin           = var.pimox_qm_bin
-    builder_version  = "2"
+    builder_version  = "3"
     vmid             = tostring(var.pimox_template_vmid)
     name             = var.pimox_template_name
     cores            = tostring(var.pimox_template_cores)
@@ -228,7 +228,7 @@ resource "null_resource" "pimox_template_vm_seal" {
     guest_host      = var.pimox_template_build_host
     guest_user      = var.pimox_template_build_user
     guest_key_path  = var.pimox_template_build_ssh_key_path
-    seal_version    = "2"
+    seal_version    = "3"
     timeout         = var.pimox_template_build_timeout
     timeout_seconds = tostring(var.pimox_template_build_timeout_seconds)
     guest_ip_prefix = var.pimox_template_guest_ip_prefix
diff --git a/bootstrap/provisioning/variables.tf b/bootstrap/provisioning/variables.tf
index b31be75..4b3acb1 100644
--- a/bootstrap/provisioning/variables.tf
+++ b/bootstrap/provisioning/variables.tf
@@ -79,7 +79,7 @@ variable "template_domain" {
 
 variable "template_disk" {
   type    = string
-  default = "/dev/vda"
+  default = "/dev/sda"
 }
 
 variable "template_user" {