diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index cfb1620..b3d1cd8 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -10,9 +10,9 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Set up Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v5
         with:
           python-version: "3.11"
       - name: Install lektor
@@ -21,7 +21,7 @@ jobs:
       - name: Build site
         run: make build
       - name: Publish to GitHub Pages
-        uses: peaceiris/actions-gh-pages@v3.6.1
+        uses: peaceiris/actions-gh-pages@v3.9.3
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_branch: gh-pages