diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml
index 28c2be6..c47a6ce 100644
--- a/.github/workflows/checks.yml
+++ b/.github/workflows/checks.yml
@@ -3,30 +3,34 @@ name: Checks
 on:
   push:
     branches:
-      - "**"
+      - main
   pull_request:
-    types:
-      - opened
-      - synchronize # when a PR is updated
-      - reopened # when a PR is reopened
-      - ready_for_review # when a PR is ready for review
-      - review_requested # when a PR is requested for review
+
+permissions:
+  contents: read
+
+concurrency:
+  group: checks-${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
 
 jobs:
-  ci:
+  checks:
+    name: Ruby 4.0
     runs-on: ubuntu-latest
+    timeout-minutes: 10
 
     steps:
-      - name: Check out
-        uses: actions/checkout@v4
+      - name: Check out repository
+        uses: actions/checkout@v7
 
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
+          ruby-version: "4.0"
           bundler-cache: true
 
-      - name: Install
-        run: bundle install
+      - name: Check syntax
+        run: bundle exec ruby -c app.rb
 
-      - name: Run the application
+      - name: Run application
         run: bundle exec ruby app.rb
diff --git a/Gemfile b/Gemfile
index 388561f..0083d64 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,7 +4,7 @@ ruby '>= 3.0.0'
 
 # Add your gems here
 gem 'rake', '~> 13.0'
-gem 'featurevisor', '~> 1.0'
+gem 'featurevisor', '~> 2.0'
 
 group :development do
   gem 'rubocop', '~> 1.50'
diff --git a/Gemfile.lock b/Gemfile.lock
index 8dd59bf..d2b71dd 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -3,45 +3,45 @@ GEM
   specs:
     ast (2.4.3)
     benchmark (0.5.0)
-    featurevisor (1.0.0)
-      benchmark
-    json (2.13.2)
-    language_server-protocol (3.17.0.5)
+    featurevisor (2.0.0)
+      benchmark (>= 0, < 1)
+    json (2.21.1)
+    language_server-protocol (3.17.0.6)
     lint_roller (1.1.0)
-    parallel (1.27.0)
-    parser (3.3.9.0)
+    parallel (2.1.0)
+    parser (3.3.12.0)
       ast (~> 2.4.1)
       racc
-    prism (1.4.0)
+    prism (1.9.0)
     racc (1.8.1)
     rainbow (3.1.1)
     rake (13.3.0)
-    regexp_parser (2.11.2)
-    rubocop (1.80.0)
+    regexp_parser (2.12.0)
+    rubocop (1.88.2)
       json (~> 2.3)
       language_server-protocol (~> 3.17.0.2)
       lint_roller (~> 1.1.0)
-      parallel (~> 1.10)
+      parallel (>= 1.10)
       parser (>= 3.3.0.2)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 2.9.3, < 3.0)
-      rubocop-ast (>= 1.46.0, < 2.0)
+      rubocop-ast (>= 1.49.0, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 4.0)
-    rubocop-ast (1.46.0)
+    rubocop-ast (1.50.0)
       parser (>= 3.3.7.2)
-      prism (~> 1.4)
+      prism (~> 1.7)
     ruby-progressbar (1.13.0)
-    unicode-display_width (3.1.5)
-      unicode-emoji (~> 4.0, >= 4.0.4)
-    unicode-emoji (4.0.4)
+    unicode-display_width (3.2.0)
+      unicode-emoji (~> 4.1)
+    unicode-emoji (4.2.0)
 
 PLATFORMS
   arm64-darwin-24
   ruby
 
 DEPENDENCIES
-  featurevisor (~> 1.0)
+  featurevisor (~> 2.0)
   rake (~> 13.0)
   rubocop (~> 1.50)