diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index e02f67d6..b07e3b4a 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -22,7 +22,7 @@ jobs:
       - name: Checkout Repository
         uses: actions/checkout@v4.2.2
       - name: Set Up Ruby 3.3.6
-        uses: ruby/setup-ruby@v1.218.0
+        uses: ruby/setup-ruby@v1.221.0
         with:
           ruby-version: 3.3.6
           bundler-cache: true
diff --git a/.github/workflows/jekyll.yml b/.github/workflows/jekyll.yml
index 1114d245..9391a57c 100644
--- a/.github/workflows/jekyll.yml
+++ b/.github/workflows/jekyll.yml
@@ -34,7 +34,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4.2.2
       - name: Setup Ruby
-        uses: ruby/setup-ruby@v1.218.0
+        uses: ruby/setup-ruby@v1.221.0
         with:
           ruby-version: '3.3.6' # Not needed with a .ruby-version file
           bundler-cache: true # runs 'bundle install' and caches installed gems automatically