ach_client.gemspec in ach_client-0.6.8 vs ach_client.gemspec in ach_client-0.7.0

@@ -53,6 +53,7 @@
   spec.add_development_dependency 'simplecov'
   spec.add_development_dependency 'timecop'
   spec.add_development_dependency 'vcr'
   spec.add_development_dependency 'webmock'
   spec.add_development_dependency 'yard'
+  spec.add_development_dependency 'bundler-audit'
 end