diff --git a/Rakefile b/Rakefile
index c8e78bf..889fc72 100755
--- a/Rakefile
+++ b/Rakefile
@@ -9,7 +9,7 @@ task(default: [:test, :rubocop])
 
 desc('run test suite with default parser')
 Rake::TestTask.new(:base_test) do |t|
-  t.libs << '.' << 'lib' << 'test'
+  t.libs << 'lib' << 'test'
   t.test_files = FileList['test/{integration,unit}/**/*_test.rb']
   t.verbose    = false
 end