diff --git a/pages/jekyll.yml b/pages/jekyll.yml
index 36e29c3..c3f7781 100644
--- a/pages/jekyll.yml
+++ b/pages/jekyll.yml
@@ -1,3 +1,8 @@
+# This workflow uses actions that are not certified by GitHub.
+# They are provided by a third-party and are governed by
+# separate terms of service, privacy policy, and support
+# documentation.
+
 # Sample workflow for building and deploying a Jekyll site to GitHub Pages
 name: Deploy Jekyll site to Pages
 
@@ -28,7 +33,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v3
       - name: Setup Ruby
-        uses: ruby/setup-ruby@v1
+        uses: ruby/setup-ruby@0a29871fe2b0200a17a4497bae54fe5df0d973aa
         with:
           ruby-version: '3.0' # Not needed with a .ruby-version file
           bundler-cache: true # runs 'bundle install' and caches installed gems automatically