diff --git a/.github/workflows/auto-merge.yml b/.github/workflows/auto-merge.yml
index 17fd7d9..8b833be 100644
--- a/.github/workflows/auto-merge.yml
+++ b/.github/workflows/auto-merge.yml
@@ -1,11 +1,12 @@
 name: auto-merge
 
 on:
-  pull_request:
+  pull_request_target:
 
 jobs:
   auto-merge:
     runs-on: ubuntu-latest
+    if: github.actor == 'dependabot[bot]'
     steps:
       - uses: actions/checkout@v2
       - uses: ahmadnassri/action-dependabot-auto-merge@v2.3.1