diff --git a/.github/workflows/blank.yml b/.github/workflows/blank.yml
index 04668d4..e0e347e 100644
--- a/.github/workflows/blank.yml
+++ b/.github/workflows/blank.yml
@@ -14,7 +14,7 @@ jobs:
       - name: Setup mdBook
         uses: peaceiris/actions-mdbook@v1
         with:
-          mdbook-version: 'latest'
+          mdbook-version: '0.3.5'
 
       - run: mdbook build