diff --git a/.github/workflows/instance_on_off.yml b/.github/workflows/instance_on_off.yml
index 9297c75..20cf13e 100644
--- a/.github/workflows/instance_on_off.yml
+++ b/.github/workflows/instance_on_off.yml
@@ -9,10 +9,18 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
+
     - name: Set up Python
       uses: actions/setup-python@v2
       with:
         python-version: '3.x'
+     
+    - name: Configure AWS credentials
+      uses: aws-actions/configure-aws-credentials@v1
+      with:
+        aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
+        aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+        aws-region: ap-northeast-2
 
     - name: create .env
       run: |