diff --git a/octopus-samples-instances/gcp-base-infrastructure-terraform/gcp-postgresql.tf b/octopus-samples-instances/gcp-base-infrastructure-terraform/gcp-postgresql.tf
index fdf3ca7..6ef0f2d 100644
--- a/octopus-samples-instances/gcp-base-infrastructure-terraform/gcp-postgresql.tf
+++ b/octopus-samples-instances/gcp-base-infrastructure-terraform/gcp-postgresql.tf
@@ -26,6 +26,10 @@ resource "google_sql_user" "postgresql_service_account" {
   name = "${var.database_service_account_name}@${var.octopus_gcp_project}.iam" # Service account created in shared workers for GCP
   instance = google_sql_database_instance.postgresql.name
   type = "CLOUD_IAM_SERVICE_ACCOUNT"
+
+  depends_on = [
+    google_sql_database_instance.postgresql
+  ]
 }
 
 resource "google_compute_firewall" "allow-postgresql" {
@@ -38,4 +42,4 @@ resource "google_compute_firewall" "allow-postgresql" {
 
   source_service_accounts = [ "${var.database_service_account_name}@${var.octopus_gcp_project}.iam.gserviceaccount.com" ]
 
-}
\ No newline at end of file
+}