diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 498034c..23b307c 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby-version: ["2.7", "3.0", "3.1", "3.2"]
+        ruby-version: ["3.0", "3.1", "3.2", "3.3"]
 
     steps:
       - uses: actions/checkout@v2
@@ -30,7 +30,7 @@ jobs:
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 3.1
+          ruby-version: 3.2
           bundler-cache: true # runs 'bundle install' and caches installed gems automatically
       - name: Run rubocop
         run: bundle exec rubocop
@@ -43,7 +43,7 @@ jobs:
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 3.1
+          ruby-version: 3.2
           bundler-cache: true # runs 'bundle install' and caches installed gems automatically
       - uses: paambaati/codeclimate-action@v3.0.0
         env:
diff --git a/Gemfile.lock b/Gemfile.lock
index 9fa4ce0..41e4f21 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -18,7 +18,7 @@ GEM
     hashery (2.1.2)
     json (2.6.3)
     matrix (0.4.2)
-    nokogiri (1.15.2-x86_64-linux)
+    nokogiri (1.16.2-x86_64-linux)
       racc (~> 1.4)
     parallel (1.23.0)
     parser (3.2.2.3)
@@ -38,7 +38,7 @@ GEM
       ttfunk (~> 1.7)
     prawn-table (0.2.2)
       prawn (>= 1.3.0, < 3.0.0)
-    racc (1.7.1)
+    racc (1.7.3)
     rainbow (3.1.1)
     rake (13.0.6)
     regexp_parser (2.8.1)