diff --git a/action.yml b/action.yml
index 7fe9075..31242ad 100644
--- a/action.yml
+++ b/action.yml
@@ -53,7 +53,7 @@ runs:
           pr=$(\
             curl -sL -H "Accept: application/vnd.github+json" -H "Authorization: Bearer ${{ inputs.token }}" \
               -H "X-GitHub-Api-Version: 2022-11-28" \
-              https://api.github.com/repos/${{ github.repository }}/commits/${{ github.event.after }}/pulls \
+              https://api.github.com/search/issues\?q\=repo:${{ github.repository }}+is:pr+is:merged \
                 | jq .[0].number
           )