diff --git a/test/test_helper.rb b/test/test_helper.rb
index a7c5dbc..cbe396b 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -4,7 +4,7 @@ require 'rails/test_help'
 
 class ActiveSupport::TestCase
   # Run tests in parallel with specified workers
-  # parallelize(workers: :number_of_processors)
+  parallelize(workers: :number_of_processors)
 
   # Setup all fixtures in test/fixtures/*.yml for all tests in alphabetical order.
   fixtures :all