diff --git a/.github/workflows/book.yml b/.github/workflows/book.yml
index ea1cb56a5..6825573b3 100644
--- a/.github/workflows/book.yml
+++ b/.github/workflows/book.yml
@@ -14,7 +14,7 @@ jobs:
       - name: Setup mdBook
         uses: peaceiris/actions-mdbook@v1
         with:
-          mdbook-version: '0.4.7'
+          mdbook-version: 'latest'
 
       - name: Install mdbook-katex
         uses: actions-rs/cargo@v1