diff --git a/hcp-vault-secrets/main.tf b/hcp-vault-secrets/main.tf
index 40ab283..5813668 100644
--- a/hcp-vault-secrets/main.tf
+++ b/hcp-vault-secrets/main.tf
@@ -16,6 +16,7 @@ terraform {
 provider "hcp" {
   client_id     = var.client_id
   client_secret = var.client_secret
+  project_id    = var.project_id 
 }
 
 provider "coder" {}
@@ -25,6 +26,11 @@ variable "agent_id" {
   description = "The ID of a Coder agent."
 }
 
+variable "project_id" {
+  type        = string
+  description = "The ID of the HCP project."
+}
+
 variable "client_id" {
   type        = string
   description = <<-EOF