diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index f0a7d1c0..f31b7fbc 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -14,9 +14,9 @@ on:
 
 jobs:
   deploy:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - name: Setup mdbook
         uses: peaceiris/actions-mdbook@v1