diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index c2b011b..c3c075e 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -10,7 +10,7 @@ jobs:
       - uses: np-complete/build-book-action@v1
         with:
           config: config.ebook.yml
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: book
           path: book.pdf