diff --git a/infra/tofu/main.tf b/infra/tofu/main.tf
index cf61a8d..cfa2f5d 100644
--- a/infra/tofu/main.tf
+++ b/infra/tofu/main.tf
@@ -40,7 +40,14 @@ locals {
 # OPERATOR ACTION: enable the "Import" content type on var.image_datastore (Datacenter
 # -> Storage -> local -> Content -> check "Import"), else the disk import fails with
 # "wrong type 'iso' - needs to be 'images' or 'import'".
-resource "proxmox_virtual_environment_download_file" "debian_cloud_image" {
+#
+# Resource type is the SHORT name `proxmox_download_file` (bpg/proxmox ADR-007). The old
+# `proxmox_virtual_environment_download_file` is deprecated ("Use `proxmox_download_file`
+# instead. This resource will be removed in v1.0.") — both are the same dual-registered
+# Framework resource, so the schema is identical. The `moved` block below migrates existing
+# state in place (provider implements MoveState / migration.PrefixMoveState), so no
+# re-download of the image and no change to the VMs.
+resource "proxmox_download_file" "debian_cloud_image" {
   content_type = "import"
   datastore_id = var.image_datastore
   node_name    = var.proxmox_node
@@ -49,6 +56,15 @@ resource "proxmox_virtual_environment_download_file" "debian_cloud_image" {
   overwrite    = false
 }
 
+# State migration for the deprecated -> short resource-type rename (ADR-007). OpenTofu
+# 1.9 (>= 1.8 required) drives the provider's MoveState RPC: the download_file state is
+# transferred in place, keeping the same id (datastore_id:content_type/file_name), so the
+# already-downloaded Debian image is NOT re-downloaded and the VMs' import_from is unchanged.
+moved {
+  from = proxmox_virtual_environment_download_file.debian_cloud_image
+  to   = proxmox_download_file.debian_cloud_image
+}
+
 # --- cloud-init: NATIVE Proxmox cloud-init only (API-driven) ------------------
 # The rich first-boot baseline (packages, kernel modules, Longhorn disk, swap-off)
 # is NOT delivered as a custom snippet any more — custom snippets require SSH/SFTP
@@ -102,7 +118,7 @@ resource "proxmox_virtual_environment_vm" "node" {
   # fs_setup/mount for /var/lib/longhorn already expects.
   disk {
     datastore_id = var.datastore
-    import_from  = proxmox_virtual_environment_download_file.debian_cloud_image.id
+    import_from  = proxmox_download_file.debian_cloud_image.id
     interface    = "virtio0"
     size         = var.os_disk_gib
     discard      = "on"