diff --git a/puppet/zulip/files/nginx/nginx.conf b/puppet/zulip/files/nginx/nginx.conf
index ed876fc86b..6fd6311ffb 100644
--- a/puppet/zulip/files/nginx/nginx.conf
+++ b/puppet/zulip/files/nginx/nginx.conf
@@ -4,7 +4,7 @@ worker_processes 4;
 pid /var/run/nginx.pid;
 
 events {
-    worker_connections 768;
+    worker_connections 4000;
 }
 
 http {