diff --git a/pymysqlreplication/event.py b/pymysqlreplication/event.py
index 97ff5817..e15ef846 100644
--- a/pymysqlreplication/event.py
+++ b/pymysqlreplication/event.py
@@ -6,6 +6,10 @@
 
 from pymysql.util import byte2int, int2byte
 
+class ClientSideHeartBeat(object):
+    def __init__(self):
+        pass
+
 
 class BinLogEvent(object):
     def __init__(self, from_packet, event_size, table_map, ctl_connection,