diff --git a/.github/workflows/test_and_build.yml b/.github/workflows/test_and_build.yml
index 619a31a3..e9f2f96c 100644
--- a/.github/workflows/test_and_build.yml
+++ b/.github/workflows/test_and_build.yml
@@ -29,7 +29,8 @@ jobs:
       - uses: actions/checkout@v2
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: '2.7.4'
+          ruby-version: '3.0.4'
+          bundler-cache: true
       - name: Install basic requirements
         run: |
           # Need this library for nokogiri
@@ -68,7 +69,8 @@ jobs:
       - uses: actions/checkout@v2
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: '2.7.4'
+          ruby-version: '3.0.4'
+          bundler-cache: true
       - name: Install basic requirements
         run: |
           # Need this library for nokogiri
diff --git a/Gemfile b/Gemfile
index 44d1819e..27e6eb5a 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,7 +5,7 @@ source 'https://rubygems.org'
 git_source(:github) { |repo_name| "https://github.com/#{repo_name}" }
 
 # Synchronize with https://pages.github.com/versions
-ruby '>=2.7.4'
+ruby '3.0.4'
 
 gem 'github-pages', group: :jekyll_plugins