diff --git a/iac/provider-gcp/nomad-cluster-disk-image/Makefile b/iac/provider-gcp/nomad-cluster-disk-image/Makefile
index 89e3dd5338..33e1701ff7 100644
--- a/iac/provider-gcp/nomad-cluster-disk-image/Makefile
+++ b/iac/provider-gcp/nomad-cluster-disk-image/Makefile
@@ -1,19 +1,21 @@
 ENV := $(shell cat ../../../.last_used_env || echo "not-set")
 -include ../../../.env.${ENV}
 
-NETWORK_NAME := "e2b-build-cluster-disk-image"
+PACKER_NETWORK_NAME ?= e2b-build-cluster-disk-image
+PACKER_SUBNET_NAME ?= e2b-build-cluster-disk-image-subnetwork
 
 tf_vars := TF_VAR_gcp_project_id=$(GCP_PROJECT_ID) \
 	TF_VAR_gcp_region=$(GCP_REGION) \
-	TF_VAR_network_name=$(NETWORK_NAME)
+	TF_VAR_network_name=$(PACKER_NETWORK_NAME) \
+	TF_VAR_subnet_name=$(PACKER_SUBNET_NAME)
 
 init:
 	packer init -upgrade .
 
 build:
 	terraform init -input=false -reconfigure -backend-config="bucket=${TERRAFORM_STATE_BUCKET}"
-	$(tf_vars) terraform apply -auto-approve -input=false -compact-warnings
-	packer build -var "gcp_project_id=$(GCP_PROJECT_ID)" -var "gcp_zone=$(GCP_ZONE)" -var "network_name=$(NETWORK_NAME)" .
+	$(tf_vars) terraform apply -auto-approve -input=false -upgrade -compact-warnings
+	packer build -var "gcp_project_id=$(GCP_PROJECT_ID)" -var "gcp_zone=$(GCP_ZONE)" -var "network_name=$(PACKER_NETWORK_NAME)" -var "subnet_name=$(PACKER_NETWORK_NAME)" .
 
 format:
 	packer fmt .
diff --git a/iac/provider-gcp/nomad-cluster-disk-image/main.pkr.hcl b/iac/provider-gcp/nomad-cluster-disk-image/main.pkr.hcl
index a593a123b1..aad6080b22 100644
--- a/iac/provider-gcp/nomad-cluster-disk-image/main.pkr.hcl
+++ b/iac/provider-gcp/nomad-cluster-disk-image/main.pkr.hcl
@@ -28,7 +28,7 @@ source "googlecompute" "orch" {
 
   # Enable IAP for SSH
   network    = var.network_name
-  subnetwork = "${var.network_name}-subnetwork"
+  subnetwork = var.subnet_name
   use_iap    = true
 }
 
diff --git a/iac/provider-gcp/nomad-cluster-disk-image/main.tf b/iac/provider-gcp/nomad-cluster-disk-image/main.tf
index 4c628733c4..e9b4b6ba0f 100644
--- a/iac/provider-gcp/nomad-cluster-disk-image/main.tf
+++ b/iac/provider-gcp/nomad-cluster-disk-image/main.tf
@@ -1,8 +1,10 @@
 terraform {
   required_version = ">= 1.5.0, < 1.6.0"
+
   backend "gcs" {
     prefix = "terraform/cluster-disk-image/state"
   }
+
   required_providers {
     google = {
       source  = "hashicorp/google"
@@ -23,7 +25,7 @@ resource "google_compute_network" "packer_network" {
 
 resource "google_compute_subnetwork" "packer_subnetwork" {
   ip_cidr_range = "10.0.0.0/8"
-  name          = "${var.network_name}-subnetwork"
+  name          = var.subnet_name
   network       = google_compute_network.packer_network.id
 
   log_config {
@@ -48,4 +50,4 @@ resource "google_compute_firewall" "internal_remote_connection_firewall_ingress"
   direction = "INGRESS"
   # https://googlecloudplatform.github.io/iap-desktop/setup-iap/
   source_ranges = ["35.235.240.0/20"]
-}
\ No newline at end of file
+}
diff --git a/iac/provider-gcp/nomad-cluster-disk-image/variables.pkr.hcl b/iac/provider-gcp/nomad-cluster-disk-image/variables.pkr.hcl
index 4b49622af3..81363a6029 100644
--- a/iac/provider-gcp/nomad-cluster-disk-image/variables.pkr.hcl
+++ b/iac/provider-gcp/nomad-cluster-disk-image/variables.pkr.hcl
@@ -10,6 +10,10 @@ variable "network_name" {
   type = string
 }
 
+variable "subnet_name" {
+  type = string
+}
+
 variable "prefix" {
   type    = string
   default = "e2b-"
@@ -39,4 +43,4 @@ variable "clickhouse_client_version" {
 variable "cni_plugin_version" {
   type    = string
   default = "v1.6.2"
-}
\ No newline at end of file
+}
diff --git a/iac/provider-gcp/nomad-cluster-disk-image/variables.tf b/iac/provider-gcp/nomad-cluster-disk-image/variables.tf
index e63d0ede30..285f24c82f 100644
--- a/iac/provider-gcp/nomad-cluster-disk-image/variables.tf
+++ b/iac/provider-gcp/nomad-cluster-disk-image/variables.tf
@@ -9,3 +9,7 @@ variable "gcp_region" {
 variable "network_name" {
   type = string
 }
+
+variable "subnet_name" {
+  type = string
+}