diff --git a/zookeeper/10zookeeper-config.yml b/zookeeper/10zookeeper-config.yml
index d5d72171..93a720bf 100644
--- a/zookeeper/10zookeeper-config.yml
+++ b/zookeeper/10zookeeper-config.yml
@@ -20,6 +20,7 @@ data:
     dataDir=/var/lib/zookeeper/data
     dataLogDir=/var/lib/zookeeper/log
     clientPort=2181
+    maxClientCnxns=1
     initLimit=5
     syncLimit=2
     server.1=pzoo-0.pzoo:2888:3888:participant