diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 8369244..b4da562 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -42,3 +42,5 @@ Please proceed with a Pull Request only after you're assigned. It'd be sad if yo
     bundle exec rubocop
     bundle exec rspec
     ```
+
+6. (Required for new flags) Add command to `.travis.yml` file.