diff --git a/.github/workflows/auto_approve_dependabot_prs.yml b/.github/workflows/auto_approve_dependabot_prs.yml
new file mode 100644
index 00000000..d8ab7f51
--- /dev/null
+++ b/.github/workflows/auto_approve_dependabot_prs.yml
@@ -0,0 +1,21 @@
+name: Dependabot auto-approve
+on: pull_request
+
+permissions:
+  pull-requests: write
+
+jobs:
+  dependabot:
+    runs-on: ubuntu-latest
+    if: github.event.pull_request.user.login == 'dependabot[bot]' && github.repository == 'owner/my_repo'
+    steps:
+      - name: Dependabot metadata
+        id: metadata
+        uses: dependabot/fetch-metadata@4c5d6e7f8a9b0c1d2e3f4a5b6c7d8e9f0a1b2c3d
+        with:
+          github-token: "${{ secrets.GITHUB_TOKEN }}"
+      - name: Approve a PR
+        run: gh pr review --approve "$PR_URL"
+        env:
+          PR_URL: ${{github.event.pull_request.html_url}}
+          GH_TOKEN: ${{secrets.GITHUB_TOKEN}}