diff --git a/.github/workflows/mdbook.yml b/.github/workflows/mdbook.yml
index b21f4a0..f9d0ef7 100644
--- a/.github/workflows/mdbook.yml
+++ b/.github/workflows/mdbook.yml
@@ -19,7 +19,7 @@ jobs:
       uses: actions/checkout@v4
 
     - name: Install mdBook
-      uses: peaceiris/actions-mdbook@v1
+      uses: peaceiris/actions-mdbook@v2
       with:
         mdbook-version: 'latest'