diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index d2c363a5b2..23257aa9fb 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -29,7 +29,7 @@ jobs:
       - name: Install mdbook
         uses: peaceiris/actions-mdbook@v1
         with:
-          mdbook-version: "0.3.7"
+          mdbook-version: "0.4.22"
 
 
       - name: Load Cache