diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 85f0d7b..d4f298b 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -52,13 +52,15 @@ jobs:
           bundler-cache: true
       - name: Run RSpec
         run: bundle exec rspec
-      - name: Run RSpec examples
-        run: ruby examples/rspec.rb
-      - name: Fix RubyGems activating older versions of gems
-        run: gem install timeout net-protocol stringio psych date
+      - name: Install RSpec example dependencies
+        run: bundle install --gemfile ./examples/Gemfile-rspec
+      - name: Run RSpec example
+        run: bundle exec --gemfile ./examples/Gemfile-rspec ruby examples/rspec.rb
+      - name: Install minitest example dependencies
+        run: bundle install --gemfile ./examples/Gemfile-minitest
       - name: Run minitest example
-        run: ruby examples/minitest.rb
-      - name: Run RSpec Rails examples
+        run: bundle exec --gemfile ./examples/Gemfile-minitest ruby examples/minitest.rb
+      - name: Run RSpec Rails example
         working-directory: ./examples/rails_app
         run: |
           bundle install
diff --git a/.gitignore b/.gitignore
index 5c249f1..d44e26c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,3 +11,4 @@
 .rspec_status
 
 Gemfile.lock
+/examples/*.lock
diff --git a/examples/Gemfile-minitest b/examples/Gemfile-minitest
new file mode 100644
index 0000000..f2f283c
--- /dev/null
+++ b/examples/Gemfile-minitest
@@ -0,0 +1,8 @@
+# frozen_string_literal: true
+
+source "https://rubygems.org"
+
+gem "minitest"
+gem "rack-test"
+gem "skooma", (ENV["CI"] == "1") ? {path: File.join(__dir__, "..")} : {}
+gem "sinatra"
diff --git a/examples/Gemfile-rspec b/examples/Gemfile-rspec
new file mode 100644
index 0000000..4deb062
--- /dev/null
+++ b/examples/Gemfile-rspec
@@ -0,0 +1,8 @@
+# frozen_string_literal: true
+
+source "https://rubygems.org"
+
+gem "rspec"
+gem "rack-test"
+gem "skooma", (ENV["CI"] == "1") ? {path: File.join(__dir__, "..")} : {}
+gem "sinatra"
diff --git a/examples/minitest.rb b/examples/minitest.rb
index a8b7a8f..bf74907 100644
--- a/examples/minitest.rb
+++ b/examples/minitest.rb
@@ -1,15 +1,5 @@
 # frozen_string_literal: true
 
-require "bundler/inline"
-
-gemfile do
-  source "https://rubygems.org"
-  gem "minitest"
-  gem "rack-test"
-  gem "skooma", (ENV["CI"] == "1") ? {path: File.join(__dir__, "..")} : {}
-  gem "sinatra"
-end
-
 require_relative "test_app"
 
 require "minitest/autorun"
diff --git a/examples/rspec.rb b/examples/rspec.rb
index 58d23e9..2764dbb 100644
--- a/examples/rspec.rb
+++ b/examples/rspec.rb
@@ -1,18 +1,7 @@
-# frozen_string_literal: true
-
-require "bundler/inline"
-
-gemfile do
-  source "https://rubygems.org"
-  gem "rspec"
-  gem "rack-test"
-  gem "skooma", (ENV["CI"] == "1") ? {path: File.join(__dir__, "..")} : {}
-  gem "sinatra"
-end
-
 require_relative "test_app"
 
 require "rspec/autorun"
+require "rack/test"
 require "skooma"
 
 RSpec.configure do |config|
diff --git a/lib/skooma/minitest.rb b/lib/skooma/minitest.rb
index fc0d98b..e20acf7 100644
--- a/lib/skooma/minitest.rb
+++ b/lib/skooma/minitest.rb
@@ -39,7 +39,7 @@ def assert_is_valid_document(document)
     def initialize(openapi_path, **params)
       super(HelperMethods, openapi_path, **params)
 
-      MiniTest.after_run { coverage.report }
+      ::Minitest.after_run { coverage.report }
     end
   end
 end