diff --git a/.github/workflows/automerge_dependabot.yml b/.github/workflows/automerge_dependabot.yml
index d744a689..83e0734b 100644
--- a/.github/workflows/automerge_dependabot.yml
+++ b/.github/workflows/automerge_dependabot.yml
@@ -42,7 +42,7 @@ jobs:
           echo "PR_NUMBER=$(cat pr_number)" >> "$GITHUB_ENV"
 
       - name: Approve
-        uses: hmarr/auto-approve-action@v3.2.1
+        uses: hmarr/auto-approve-action@v4.0.0
         with:
           github-token: "${{ secrets.GITHUB_TOKEN }}"
           pull-request-number: "${{ env.PR_NUMBER }}"