diff --git a/.github/workflows/ruby-tests.yml b/.github/workflows/ruby-tests.yml
index 7a28d40..f98b9e5 100644
--- a/.github/workflows/ruby-tests.yml
+++ b/.github/workflows/ruby-tests.yml
@@ -34,6 +34,9 @@ jobs:
       uses: ruby/setup-ruby@v1
       with:
         ruby-version: ${{ matrix.ruby-version }}
+    - name: Set environment
+      run: echo "COVERAGE=true" >> "$GITHUB_ENV"
+      if: matrix.ruby-version == '3.1' && matrix.gemfile == 'faraday-2'
     - name: Install dependencies
       run: bundle install
     - name: Run tests
diff --git a/test/minitest_helper.rb b/test/minitest_helper.rb
index a20dc06..d7685bf 100644
--- a/test/minitest_helper.rb
+++ b/test/minitest_helper.rb
@@ -1,8 +1,10 @@
 #Bundler.require(:test)
 $LOAD_PATH.unshift File.expand_path('../../lib', __FILE__)
 
-require 'simplecov'
-SimpleCov.start
+if ENV['COVERAGE'] == 'true'
+  require 'simplecov'
+  SimpleCov.start
+end
 
 require 'minitest/byebug' if ENV['DEBUG']
 require 'minitest/autorun'