diff --git a/.github/workflows/test-action.yml b/.github/workflows/test-action.yml
index cbd0c85..b5c5cf5 100644
--- a/.github/workflows/test-action.yml
+++ b/.github/workflows/test-action.yml
@@ -66,7 +66,7 @@ jobs:
       - name: Setup mdBook
         uses: peaceiris/actions-mdbook@v1
         with:
-          mdbook-version: '0.3.5'
+          mdbook-version: '0.3.6'
 
       - name: Build
         working-directory: ./test_projects/mdbook