diff --git a/.dependabot/config.yml b/.dependabot/config.yml
deleted file mode 100644
index 7eaecf4f..00000000
--- a/.dependabot/config.yml
+++ /dev/null
@@ -1,13 +0,0 @@
-version: 1
-update_configs:
-  - package_manager: "go:modules"
-    directory: "/"
-    update_schedule: "weekly"
-    default_reviewers:
-      - "ktr0731"
-    default_labels:
-      - "update"
-    automerged_updates:
-      - match:
-          dependency_type: all
-          update_type: all
diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 00000000..0873b46d
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,18 @@
+version: 2
+updates:
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: weekly
+    labels:
+      - update
+    reviewers:
+      - ktr0731
+  - package-ecosystem: gomod
+    directory: /
+    schedule:
+      interval: weekly
+    labels:
+      - update
+    reviewers:
+      - ktr0731
diff --git a/.github/workflows/approve_and_merge.yml b/.github/workflows/approve_and_merge.yml
new file mode 100644
index 00000000..fe34292f
--- /dev/null
+++ b/.github/workflows/approve_and_merge.yml
@@ -0,0 +1,25 @@
+name: "Auto approve and merge Pull Requests"
+on:
+  pull_request_target
+jobs:
+  worker:
+    runs-on: ubuntu-latest
+    if: github.actor == 'dependabot[bot]'
+    steps:
+      - name: Auto approve and merge Pull Request
+        uses: actions/github-script@v3.1
+        with:
+          github-token: "${{ secrets.GITHUB_TOKEN }}"
+          script: |
+            await github.pulls.createReview({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              pull_number: context.issue.number,
+              event: "APPROVE"
+            })
+            await github.pulls.merge({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              pull_number: context.issue.number,
+              merge_method: "squash"
+            })