diff --git a/libra/worker/utils.py b/libra/common/utils.py
similarity index 100%
rename from libra/worker/utils.py
rename to libra/common/utils.py
diff --git a/libra/worker/worker.py b/libra/worker/worker.py
index acabf842..4deaa521 100644
--- a/libra/worker/worker.py
+++ b/libra/worker/worker.py
@@ -23,9 +23,9 @@ from time import sleep
 
 from libra.common.json_gearman import JSONGearmanWorker
 from libra.common.options import Options, setup_logging
+from libra.common.utils import import_class
 from libra.worker.controller import LBaaSController
 from libra.worker.drivers.base import known_drivers
-from libra.worker.utils import import_class
 
 
 def lbaas_task(worker, job):