diff --git a/dhcp_config_unittest.cc b/dhcp_config_unittest.cc
index 8746f8b..744e0ad 100644
--- a/dhcp_config_unittest.cc
+++ b/dhcp_config_unittest.cc
@@ -2,13 +2,15 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#include "shill/dhcp_config.h"
+
 #include <base/file_util.h>
 #include <base/memory/scoped_temp_dir.h>
 #include <base/stringprintf.h>
 #include <chromeos/dbus/service_constants.h>
+#include <gtest/gtest.h>
 
 #include "shill/dbus_adaptor.h"
-#include "shill/dhcp_config.h"
 #include "shill/dhcp_provider.h"
 #include "shill/mock_control.h"
 #include "shill/mock_dhcp_proxy.h"