diff --git a/variables.tf b/variables.tf
index 821f8e5..4ca874f 100644
--- a/variables.tf
+++ b/variables.tf
@@ -334,6 +334,16 @@ variable "cloudflare_subdomain_training_status" {
 # GCP Networking
 #======================================================
 
+variable "gcp_vm_internal_ip" {
+  description = "Internal Private IP of GCP Compute Engine Instance"
+  type        = string
+}
+
+variable "gcp_windows_vm_internal_ip" {
+  description = "Internal Private IP of GCP Compute Engine Instance running Windows RDP"
+  type        = string
+}
+
 variable "gcp_infra_cidr" {
   description = "CIDR Range for GCP VMs running cloudflared"
   type        = string