diff --git a/.github/workflows/mkdocs-build.yml b/.github/workflows/mkdocs-build.yml
index 3c799cd0..5cfe9f09 100644
--- a/.github/workflows/mkdocs-build.yml
+++ b/.github/workflows/mkdocs-build.yml
@@ -97,7 +97,7 @@ jobs:
 
       # Upload to GitHub Pages
       - name: Upload to GitHub Pages
-        uses: actions/upload-pages-artifact@v3
+        uses: actions/upload-pages-artifact@v4
         with:
           path: site