diff --git a/5.0/config/elasticsearch.yml b/5.0/config/elasticsearch.yml
index 5108c77..bee2cfe 100644
--- a/5.0/config/elasticsearch.yml
+++ b/5.0/config/elasticsearch.yml
@@ -1 +1,5 @@
 network.host: 0.0.0.0
+
+# this value is required because we set "network.host"
+# be sure to modify it appropriately for a production cluster deployment
+discovery.zen.minimum_master_nodes: 1