diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index e484a1a..d70db68 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -16,7 +16,7 @@ jobs:
           commands: review-pdfmaker
       - run: rm `bundle exec which review-pdfmaker`
       - run: bundle exec rake pdf
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: book
           path: book.pdf