Rakefile in parallel_tests-0.4.0 vs Rakefile in parallel_tests-0.4.1

@@ -1,7 +1,7 @@
 task :default => :spec
 require 'spec/rake/spectask'
-Spec::Rake::SpecTask.new {|t| t.spec_opts = ['--color']}
+Spec::Rake::SpecTask.new {|t| t.spec_opts = ['--color --backtrace']}
 
 begin
   require 'jeweler'
   project_name = 'parallel_tests'
   Jeweler::Tasks.new do |gem|