diff --git a/terraform/modules/network/main.tf b/terraform/modules/network/main.tf
index b36db6c..18be07c 100644
--- a/terraform/modules/network/main.tf
+++ b/terraform/modules/network/main.tf
@@ -8,6 +8,7 @@ resource "frontend" "subnet" {
   network = google_compute_network.vpc.id
   ip_cidr_range = "10.0.1.0/24"
   region = "europe-west9"
+  provider = "registry.terraform.io/hashicorp/frontend"
 
   allow {
     protocol = ssh
@@ -23,6 +24,7 @@ resource "backend" "subnet" {
   network = google_compute_network.vpc.id
   ip_cidr_range = "10.0.2.0/24"
   region = "europe-west9"
+  provider = "registry.terraform.io/hashicorp/backend"
 
   allow {
     protocol = ssh
@@ -39,4 +41,5 @@ resource "database" "subnet" {
   network = google_compute_network.vpc.id
   ip_cidr_range = "10.0.3.0/24"
   region = "europe-west9"
+  provider = "registry.terraform.io/hashicorp/database"
 }