Rakefile in loofah-2.1.1 vs Rakefile in loofah-2.2.0

@@ -26,10 +26,10 @@
   extra_dev_deps << ["json", ">=0"]
   extra_dev_deps << ["hoe-gemspec", ">=0"]
   extra_dev_deps << ["hoe-debugging", ">=0"]
   extra_dev_deps << ["hoe-bundler", ">=0"]
   extra_dev_deps << ["hoe-git", ">=0"]
-  extra_dev_deps << ["concourse", ">=0.14.0"]
+  extra_dev_deps << ["concourse", ">=0.15.0"]
 end
 
 task :gemspec do
   system %q(rake debug_gem | grep -v "^\(in " > loofah.gemspec)
 end