diff --git a/setup.cfg b/setup.cfg
index a4f96eea..db2453b9 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -40,6 +40,7 @@ taskflow.persistence =
     mysql = taskflow.persistence.backends.impl_sqlalchemy:SQLAlchemyBackend
     postgresql = taskflow.persistence.backends.impl_sqlalchemy:SQLAlchemyBackend
     sqlite = taskflow.persistence.backends.impl_sqlalchemy:SQLAlchemyBackend
+    zookeeper = taskflow.persistence.backends.impl_zookeeper:ZkBackend
 
 taskflow.engines =
     default = taskflow.engines.action_engine.engine:SingleThreadedActionEngine