diff --git a/.github/workflows/blueprint.yml b/.github/workflows/blueprint.yml
index 05cf5d3..cc0a792 100644
--- a/.github/workflows/blueprint.yml
+++ b/.github/workflows/blueprint.yml
@@ -112,7 +112,7 @@ jobs:
         run: JEKYLL_ENV=production bundle exec jekyll build  # Note this will also copy the blueprint and API doc into home_page/_site
 
       - name: "Upload website (API documentation, blueprint and any home page)"
-        uses: actions/upload-pages-artifact@v3
+        uses: actions/upload-pages-artifact@v4
         with:
           path: ${{ env.HOME_PAGE_EXISTS == 'true' && 'home_page/_site' || 'home_page/' }}
 
diff --git a/.github/workflows/jekyll-gh-pages.yml b/.github/workflows/jekyll-gh-pages.yml
index e31d81c..306b50b 100644
--- a/.github/workflows/jekyll-gh-pages.yml
+++ b/.github/workflows/jekyll-gh-pages.yml
@@ -36,7 +36,7 @@ jobs:
           source: ./
           destination: ./_site
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v3
+        uses: actions/upload-pages-artifact@v4
 
   # Deployment job
   deploy: