diff --git a/.github/workflows/book.yml b/.github/workflows/book.yml
index 9029667..d1c2b58 100644
--- a/.github/workflows/book.yml
+++ b/.github/workflows/book.yml
@@ -15,7 +15,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Setup mdBook
-        uses: peaceiris/actions-mdbook@v1
+        uses: peaceiris/actions-mdbook@v2
         with:
           mdbook-version: "latest"
 
@@ -33,7 +33,7 @@ jobs:
         run: ./verify_summary.sh
 
       - name: Setup mdBook
-        uses: peaceiris/actions-mdbook@v1
+        uses: peaceiris/actions-mdbook@v2
         with:
           mdbook-version: "latest"