diff --git a/terraform/provider.tf b/terraform/provider.tf
index fdeb7be..218805c 100644
--- a/terraform/provider.tf
+++ b/terraform/provider.tf
@@ -1,3 +1,7 @@
+terraform {
+  backend "gcs" {}
+}
+
 # Google Providerの設定
 provider "google" {
   project     = var.project_id