diff --git a/confs/global/nginx.conf b/confs/global/nginx.conf
index 4306573..a266cd7 100644
--- a/confs/global/nginx.conf
+++ b/confs/global/nginx.conf
@@ -88,6 +88,9 @@ http {
 	# shared memory zone for limit_req
 	%LIMIT_REQ_ZONE%
 
+	# shared memory zone for limit_conn
+	%LIMIT_CONN_ZONE%
+
 	# whitelist or blacklist country
 	%USE_COUNTRY%