diff --git a/.github/workflows/daily.yml b/.github/workflows/daily.yml
index 0e11d696..9241a1ab 100644
--- a/.github/workflows/daily.yml
+++ b/.github/workflows/daily.yml
@@ -45,19 +45,35 @@ jobs:
           echo "FOUND_NEWS=false" >> $GITHUB_OUTPUT
         fi
 
+  run-on-heroku:
+    needs: daily
+    runs-on: ubuntu-latest
+    timeout-minutes: 15
+
+    steps:
+    - name: 📦 Install Heroku CLI
+      run: curl https://cli-assets.heroku.com/install.sh | sh
+
+    - name: 📅 Run upcoming_events:aggregation on Heroku
+      run: |
+        heroku run rails upcoming_events:aggregation --app $HEROKU_APP_NAME
+      env:
+        HEROKU_API_KEY:  ${{ secrets.HEROKU_API_KEY  }}
+        HEROKU_APP_NAME: ${{ secrets.HEROKU_APP_NAME }}
+
   deploy:
     needs: daily
     if: ${{ needs.daily.outputs.FOUND_NEWS == 'true' }}
     # TODO: ubuntu-latest image needs to install heroku CLI to deploy.
     # https://github.com/AkhileshNS/heroku-deploy/issues/188
     runs-on: ubuntu-22.04
-    
+
     steps:
     - name: ☑️ Checkout code
       uses: actions/checkout@v4
       with:
         ref: main
-    
+
     - name: 🚀 Deploy to Heroku
       uses: akhileshns/heroku-deploy@v3.14.15
       with:
diff --git a/.github/workflows/weekly.yml b/.github/workflows/weekly.yml
new file mode 100644
index 00000000..bbc34f9b
--- /dev/null
+++ b/.github/workflows/weekly.yml
@@ -0,0 +1,25 @@
+name: Weekly Workflow
+
+on:
+  schedule:
+    # 毎週月曜 1:00 AM UTC (日本時間 10:00 AM)
+    - cron: '0 1 * * 1'
+  # Allows you to run this workflow manually from the Actions tab
+  # https://docs.github.com/en/actions/managing-workflow-runs/manually-running-a-workflow
+  workflow_dispatch:
+
+jobs:
+  run-on-heroku:
+    runs-on: ubuntu-latest
+    timeout-minutes: 15
+
+    steps:
+    - name: 📦 Install Heroku CLI
+      run: curl https://cli-assets.heroku.com/install.sh | sh
+
+    - name: 📊 Run statistics:aggregation on Heroku
+      run: |
+        heroku run rails statistics:aggregation --app $HEROKU_APP_NAME
+      env:
+        HEROKU_API_KEY:  ${{ secrets.HEROKU_API_KEY  }}
+        HEROKU_APP_NAME: ${{ secrets.HEROKU_APP_NAME }}
diff --git a/README.md b/README.md
index 7b9c6d6c..6cc3c9a7 100644
--- a/README.md
+++ b/README.md
@@ -173,16 +173,18 @@ bundle exec rails podcasts:upsert
 
 <div id='howto-develop-jobs'></div><br>
 
-### [:alarm_clock:](#howto-develop-jobs) 定期的に実行されるスクリプト (Heroku Scheduler)
+### [:alarm_clock:](#howto-develop-jobs) 定期的に実行されるスクリプト (GitHub Actions)
 
-以下のコマンドは上記 CI とは関係なく、定期的に実行されます。
+以下のコマンドは上記 CI とは関係なく、GitHub Actions で定期的に実行されます。
 
 ```console
-# 【毎日】近日開催のイベント収集 (Daily at 9:00 PM UTC)
+# 【毎日】近日開催のイベント収集 (Daily at 0:00 UTC / 9:00 JST)
+# 実行タイミング: .github/workflows/daily.yml
 $ bundle exec rails upcoming_events:aggregation
 
-# 【毎週】統計情報ページ用のデータ収集 (Daily at 1:00 AM UTC)
-$ [ $(date +%u) = 1 ] && bundle exec rails statistics:aggregation
+# 【毎週】統計情報ページ用のデータ収集 (Weekly on Monday at 1:00 AM UTC / 10:00 AM JST)
+# 実行タイミング: .github/workflows/weekly.yml
+$ bundle exec rails statistics:aggregation
 ```
 
 
diff --git a/db/dojo_event_services.yml b/db/dojo_event_services.yml
index 30a70320..b5876b9d 100644
--- a/db/dojo_event_services.yml
+++ b/db/dojo_event_services.yml
@@ -37,7 +37,7 @@
 - dojo_id: 350
   name: doorkeeper
   group_id: 104819
-  url: https://saijo.doorkeeper.jp/
+  url: https://coderdojo-saijo.doorkeeper.jp/
 
 # SAGA @ 駅前中央（佐賀県佐賀市）
 - dojo_id: 349