diff --git a/.github/workflows/jekyll.yml b/.github/workflows/jekyll.yml
index 63a34ef..0efbe26 100644
--- a/.github/workflows/jekyll.yml
+++ b/.github/workflows/jekyll.yml
@@ -33,12 +33,14 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
-      - name: Setup Ruby
-        uses: ruby/setup-ruby@8575951200e472d5f2d95c625da0c7bec8217c42 # v1.161.0
+      
+      # Ruby 설정
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
         with:
-          ruby-version: '3.5' # Not needed with a .ruby-version file
-          bundler-cache: true # runs 'bundle install' and caches installed gems automatically
-          cache-version: 0 # Increment this number if you need to re-download cached gems
+          ruby-version: '3.3.5'  # Ruby 버전
+          bundler-cache: true    # 번들러 캐시 활성화
+      
       - name: Setup Pages
         id: pages
         uses: actions/configure-pages@v5