diff --git a/.github/workflows/auto-merge.yml b/.github/workflows/auto-merge.yml
index 59aefd4..1e0212e 100644
--- a/.github/workflows/auto-merge.yml
+++ b/.github/workflows/auto-merge.yml
@@ -1,22 +1,22 @@
 name: Dependabot auto-merge
-on: pull_request_target
+on: pull_request
 
 permissions:
-  pull-requests: write
   contents: write
+  pull-requests: write
 
 jobs:
   dependabot:
     runs-on: ubuntu-latest
-    if: ${{ github.actor == 'dependabot[bot]' }}
+    if: github.event.pull_request.user.login == 'dependabot[bot]' && github.repository == 'nonebot/plugin-alconna'
     steps:
       - name: Dependabot metadata
         id: metadata
-        uses: dependabot/fetch-metadata@v3.0.0
+        uses: dependabot/fetch-metadata@v3
         with:
           github-token: "${{ secrets.GITHUB_TOKEN }}"
       - name: Enable auto-merge for Dependabot PRs
         run: gh pr merge --auto --squash "$PR_URL"
         env:
           PR_URL: ${{github.event.pull_request.html_url}}
-          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
\ No newline at end of file
+          GH_TOKEN: ${{secrets.GITHUB_TOKEN}}
\ No newline at end of file