diff --git a/update_engine.gyp b/update_engine.gyp
index 47727c8..3fcb706 100644
--- a/update_engine.gyp
+++ b/update_engine.gyp
@@ -259,6 +259,7 @@
         'image_properties_chromeos.cc',
         'libcros_proxy.cc',
         'metrics.cc',
+        'metrics_utils.cc',
         'omaha_request_action.cc',
         'omaha_request_params.cc',
         'omaha_response_handler_action.cc',
@@ -460,6 +461,7 @@
             'dbus_service_unittest.cc',
             'fake_shill_proxy.cc',
             'fake_system_state.cc',
+            'metrics_utils_unittest.cc',
             'omaha_request_action_unittest.cc',
             'omaha_request_params_unittest.cc',
             'omaha_response_handler_action_unittest.cc',