diff --git a/servers/puppet/modules/zulip/files/supervisor/supervisord.conf b/servers/puppet/modules/zulip/files/supervisor/supervisord.conf
index 2eed37acd3..c09736583c 100644
--- a/servers/puppet/modules/zulip/files/supervisor/supervisord.conf
+++ b/servers/puppet/modules/zulip/files/supervisor/supervisord.conf
@@ -9,6 +9,7 @@ chown=zulip
 logfile=/var/log/supervisor/supervisord.log ; (main log file;default $CWD/supervisord.log)
 pidfile=/var/run/supervisord.pid ; (supervisord pidfile;default supervisord.pid)
 childlogdir=/var/log/supervisor            ; ('AUTO' child log dir, default $TEMP)
+minfds=40000 ; file descriptor limit for children
 
 ; the below section must remain in the config file for RPC
 ; (supervisorctl/web interface) to work, additional interfaces may be