diff --git a/.github/workflows/mdbook.yaml b/.github/workflows/mdbook.yaml
index 7750914..2c4e742 100644
--- a/.github/workflows/mdbook.yaml
+++ b/.github/workflows/mdbook.yaml
@@ -24,7 +24,7 @@ jobs:
     - uses: actions/checkout@v4
       with:
         ref: gh-pages
-    - uses: actions/download-artifact@v3
+    - uses: actions/download-artifact@v4
       with:
         name: book
     - run: git add .
diff --git a/.github/workflows/mdbook_preview.yaml b/.github/workflows/mdbook_preview.yaml
index 52c7507..1b7473f 100644
--- a/.github/workflows/mdbook_preview.yaml
+++ b/.github/workflows/mdbook_preview.yaml
@@ -28,7 +28,7 @@ jobs:
       with:
         ref: gh-pages
     - run: rm -rf _preview/${{ needs.build.outputs.branch }}
-    - uses: actions/download-artifact@v3
+    - uses: actions/download-artifact@v4
       with:
         name: preview
         path: _preview/${{ needs.build.outputs.branch }}