Update middleware gem

* Mitchell's original project is stale
* New fork that's currently maintained instead!

Author: petems

tugboat.gemspec

@@ -21,7 +21,7 @@ Gem::Specification.new do |gem|
   gem.add_dependency 'thor', '0.18.1'
   gem.add_dependency 'barge', '0.12.0'
   gem.add_dependency 'droplet_kit', '2.0.1'
-  gem.add_dependency 'middleware', '0.1.0'
+  gem.add_dependency 'ibsciss-middleware', '0.4.2'
   # Update back to faraday_middleware when https://github.com/lostisland/faraday_middleware/pull/157 merged
   gem.add_dependency 'faraday_middleware_safeyaml', '0.12.pre.safeyaml'
   gem.add_dependency 'faraday', '0.9.2'