diff --git a/.github/workflows/dev_deploy.yml b/.github/workflows/dev_deploy.yml
index 1e5cce4..8a8a291 100644
--- a/.github/workflows/dev_deploy.yml
+++ b/.github/workflows/dev_deploy.yml
@@ -57,7 +57,7 @@ jobs:
           application_name: checkIT-dev
           environment_name: CheckIT-dev-env
           version_label: github-action-${{ steps.current-time.outputs.formattedTime }}
-          region: ap-northeast-1
+          region: ap-northeast-2
           deployment_package: deploy/deploy.zip
           wait_for_environment_recovery: 180