diff --git a/Guardfile b/Guardfile
index dab7a7b..cfe4104 100644
--- a/Guardfile
+++ b/Guardfile
@@ -1,3 +1,5 @@
+directories %w[features lib spec]
+
 guard :cucumber, cli: '--format pretty --quiet', all_on_start: false do
   watch(%r{\Afeatures/.+\.feature\z})
   watch(%r{\Afeatures/support/.+\.rb\z})                { 'features' }