diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml
index b914c56f..560ade9c 100644
--- a/.github/workflows/checks.yml
+++ b/.github/workflows/checks.yml
@@ -83,14 +83,23 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
+      - name: Get changed files
+        id: changed-files
+        uses: tj-actions/changed-files@v39
+        with:
+          files: |
+            **/*.rb
       - name: Set up Ruby
+        if: steps.changed-files.outputs.any_changed == 'true'
         uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{ env.RUBY_VERSION }}
       - name: Install dependencies
+        if: steps.changed-files.outputs.any_changed == 'true'
         run: bundle install
       - name: Run RuboCop
-        run: bundle exec rake rubocop
+        if: steps.changed-files.outputs.any_changed == 'true'
+        run: bundle exec rubocop ${{ steps.changed-files.outputs.all_changed_files }}
 
   tests:
     permissions: write-all
diff --git a/leetcode-ruby.gemspec b/leetcode-ruby.gemspec
index b8975581..1aee8776 100644
--- a/leetcode-ruby.gemspec
+++ b/leetcode-ruby.gemspec
@@ -5,7 +5,7 @@ require 'English'
 ::Gem::Specification.new do |s|
   s.required_ruby_version = '>= 3.0'
   s.name = 'leetcode-ruby'
-  s.version = '8.2.5.7'
+  s.version = '8.2.5.8'
   s.license = 'MIT'
   s.files = ::Dir['lib/**/*.rb'] + %w[README.md]
   s.executable = 'leetcode-ruby'