diff --git a/lib/travis/api/app.rb b/lib/travis/api/app.rb
index dfed693f..1f5225d0 100644
--- a/lib/travis/api/app.rb
+++ b/lib/travis/api/app.rb
@@ -1,6 +1,7 @@
 require 'travis'
 require 'travis/model'
 require 'travis/support/amqp'
+require 'travis/states_cache'
 require 'backports'
 require 'rack'
 require 'rack/protection'