diff --git a/.github/workflows/github_pages.yml b/.github/workflows/github_pages.yml
index f1d7b7cc29..b212c2d885 100644
--- a/.github/workflows/github_pages.yml
+++ b/.github/workflows/github_pages.yml
@@ -23,7 +23,7 @@ jobs:
       - name: Setup mdBook
         uses: peaceiris/actions-mdbook@v1
         with:
-          mdbook-version: "0.4.21"
+          mdbook-version: "latest"
 
       - name: Build book
         run: mdbook build specs