diff --git a/.github/workflows/ci-post-land.yml b/.github/workflows/ci-post-land.yml
index e5ba437abc..cdac13430b 100644
--- a/.github/workflows/ci-post-land.yml
+++ b/.github/workflows/ci-post-land.yml
@@ -16,7 +16,7 @@ jobs:
       - uses: actions/checkout@v2
 
       - name: Setup mdBook
-        uses: peaceiris/actions-mdbook@v1
+        uses: peaceiris/actions-mdbook@v2
         with:
           mdbook-version: '0.4.10'
           # mdbook-version: 'latest'