diff --git a/.woodpecker/test.yml b/.woodpecker/test.yml
index c3c4d6b..ce4875a 100644
--- a/.woodpecker/test.yml
+++ b/.woodpecker/test.yml
@@ -16,9 +16,9 @@ steps:
     commands:
       - tflint --color
 
-  - name: terraform
-    image: docker.io/jmccann/drone-terraform:8
+  - name: tofu
+    image: quay.io/thegeeklab/wp-opentofu
     settings:
       actions:
         - validate
-      tf_version: 1.5.0
+      tofu_version: 1.6.1
diff --git a/main.tf b/main.tf
index e644c05..f765990 100644
--- a/main.tf
+++ b/main.tf
@@ -98,7 +98,7 @@ resource "restapi_object" "ucs_server" {
       "a" : concat(
         [
           for k, v in flatten(coalesce(proxmox_virtual_environment_vm.server[each.value.name].ipv4_addresses, [])) :
-          v if k != try(index(proxmox_virtual_environment_vm.server[each.value.name].network_interface_names, "lo"), -1)
+          v if length(regexall(proxmox_virtual_environment_vm.server[each.value.name].network_interface_names[k], "^(lo|docker).*")) == 0
         ],
       ),
     }
diff --git a/versions.tf b/versions.tf
index 51691be..11927e1 100644
--- a/versions.tf
+++ b/versions.tf
@@ -1,13 +1,13 @@
 terraform {
   required_providers {
     cloudflare = {
-      source = "cloudflare/cloudflare"
+      source = "registry.opentofu.org/cloudflare/cloudflare"
     }
     proxmox = {
-      source = "bpg/proxmox"
+      source = "registry.opentofu.org/bpg/proxmox"
     }
     restapi = {
-      source = "mastercard/restapi"
+      source = "registry.opentofu.org/thegeeklab/restapi"
     }
   }
 }