diff --git a/buffet/buffet.gyp b/buffet/buffet.gyp
index 182c2fc..65cb8b8 100644
--- a/buffet/buffet.gyp
+++ b/buffet/buffet.gyp
@@ -42,6 +42,7 @@
         'manager.cc',
         'storage_impls.cc',
         'states/error_codes.cc',
+        'states/state_change_queue.cc',
         'states/state_manager.cc',
         'states/state_package.cc',
         'utils.cc',
@@ -109,6 +110,7 @@
             'commands/schema_utils_unittest.cc',
             'commands/unittest_utils.cc',
             'device_registration_info_unittest.cc',
+            'states/state_change_queue_unittest.cc',
             'states/state_manager_unittest.cc',
             'states/state_package_unittest.cc',
           ],