diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index 160b276..837156d 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -1,4 +1,4 @@
-name: mdbook
+name: github pages
 
 on:
   push:
@@ -12,7 +12,7 @@ jobs:
       - uses: actions/checkout@v2
 
       - name: Setup mdBook
-        uses: peaceiris/actions-mdbook@v1
+        uses: peaceiris/actions-mdbook@v1.1.3
         with:
           mdbook-version: '0.3.5'
           # mdbook-version: 'latest'