wally.gemspec in wally-0.0.33 vs wally.gemspec in wally-0.0.34

@@ -28,6 +28,7 @@
   s.add_development_dependency "cucumber"
   s.add_development_dependency "capybara"
   s.add_development_dependency "rspec"
   s.add_development_dependency "fakefs"
   s.add_development_dependency "launchy"
+  s.add_development_dependency "headless"
 end