diff --git a/.github/workflows/stale-issues-and-pullrequests.yml b/.github/workflows/stale-issues-and-pullrequests.yml
index 470eace..fb5743e 100644
--- a/.github/workflows/stale-issues-and-pullrequests.yml
+++ b/.github/workflows/stale-issues-and-pullrequests.yml
@@ -9,7 +9,7 @@ jobs:
       issues: write
       pull-requests: write
     steps:
-      - uses: actions/stale@v8
+      - uses: actions/stale@v9
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
           stale-issue-message: "進捗無いからもう少ししたら閉じちゃうよ"