diff --git a/.github/workflows/auto-update-prs.yml b/.github/workflows/auto-update-prs.yml
index 6d3f77d..78b8bdb 100644
--- a/.github/workflows/auto-update-prs.yml
+++ b/.github/workflows/auto-update-prs.yml
@@ -16,7 +16,7 @@ jobs:
       pull-requests: write
     steps:
       - name: Update open PRs targeting main
-        uses: actions/github-script@v8
+        uses: actions/github-script@v9
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           script: |
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 3a82b8e..19294ce 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -37,7 +37,7 @@ jobs:
         run: echo "${{ github.sha }}" > ./out/build-sha.txt
 
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v4
+        uses: actions/upload-pages-artifact@v5
         with:
           path: ./out
 
@@ -50,4 +50,4 @@ jobs:
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v4
\ No newline at end of file
+        uses: actions/deploy-pages@v5
\ No newline at end of file
diff --git a/.github/workflows/site-audit.yml b/.github/workflows/site-audit.yml
index 4de1d37..4243723 100644
--- a/.github/workflows/site-audit.yml
+++ b/.github/workflows/site-audit.yml
@@ -94,7 +94,7 @@ jobs:
 
       - name: Comment on PR
         if: github.event_name == 'pull_request'
-        uses: actions/github-script@v8
+        uses: actions/github-script@v9
         with:
           script: |
             const passed = '${{ steps.htmlproofer.outputs.exit_code }}' === '0';
@@ -365,7 +365,7 @@ jobs:
           git push
 
       - name: Open or close issues per audit check
-        uses: actions/github-script@v8
+        uses: actions/github-script@v9
         env:
           PERF:        ${{ needs.lighthouse.outputs.performance }}
           A11Y:        ${{ needs.lighthouse.outputs.accessibility }}