diff --git a/buffet/buffet.gyp b/buffet/buffet.gyp
index c16d741..8f7ba6e 100644
--- a/buffet/buffet.gyp
+++ b/buffet/buffet.gyp
@@ -32,6 +32,7 @@
         'commands/prop_types.cc',
         'commands/prop_values.cc',
         'commands/schema_constants.cc',
+        'commands/schema_utils.cc',
         'data_encoding.cc',
         'dbus_constants.cc',
         'dbus_utils.cc',
@@ -84,6 +85,7 @@
         'async_event_sequencer_unittest.cc',
         'buffet_testrunner.cc',
         'commands/object_schema_unittest.cc',
+        'commands/schema_utils_unittest.cc',
         'data_encoding_unittest.cc',
         'device_registration_info_unittest.cc',
         'error_unittest.cc',