diff --git a/.github/workflows/mdbook.yml b/.github/workflows/mdbook.yml
index bbf374a2..1872c74a 100644
--- a/.github/workflows/mdbook.yml
+++ b/.github/workflows/mdbook.yml
@@ -48,7 +48,7 @@ jobs:
           fail: false
           args: --root-dir ${{ github.workspace }}/book ./book
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v3
+        uses: actions/upload-pages-artifact@v4
         with:
           path: ./book