diff --git a/environments/skeleton/{{cookiecutter.environment}}/tofu/network.tf b/environments/skeleton/{{cookiecutter.environment}}/tofu/network.tf
index eb33fb42f..0a86b8fb7 100644
--- a/environments/skeleton/{{cookiecutter.environment}}/tofu/network.tf
+++ b/environments/skeleton/{{cookiecutter.environment}}/tofu/network.tf
@@ -13,14 +13,22 @@ data "openstack_networking_subnet_v2" "cluster_subnet" {
   name = each.value.subnet
 }
 
+data "openstack_identity_auth_scope_v3" "scope" {
+  # This is an arbitrary name which is only used as a unique identifier so an
+  # actual token isn't used as the ID.
+  name = "scope"
+}
+
 data "openstack_networking_secgroup_v2" "login" {
   for_each = toset(var.login_security_groups)
 
   name = each.key
+  tenant_id = data.openstack_identity_auth_scope_v3.scope.project_id
 }
 
 data "openstack_networking_secgroup_v2" "nonlogin" {
   for_each = toset(var.nonlogin_security_groups)
 
   name = each.key
+  tenant_id = data.openstack_identity_auth_scope_v3.scope.project_id
 }