diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index 0b9b2f5..45e45ae 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -28,7 +28,7 @@ jobs:
         with:
           fetch-depth: 0 # need full history to get page last modified times
       - name: Setup Ruby
-        uses: ruby/setup-ruby@f26937343756480a8cb3ae1f623b9c8d89ed6984 # v1.196.0
+        uses: ruby/setup-ruby@7bae1d00b5db9166f4f0fc47985a3a5702cb58f0 # v1.197.0
         with:
           ruby-version: '3.1'
           bundler-cache: true # runs 'bundle install' and caches installed gems automatically