diff --git a/roles/pagure/frontend/files/stunnel.service b/roles/pagure/frontend/files/stunnel.service
index 8701ba266f..1e9f492576 100644
--- a/roles/pagure/frontend/files/stunnel.service
+++ b/roles/pagure/frontend/files/stunnel.service
@@ -9,6 +9,7 @@ Type=forking
 User=root
 Group=root
 Restart=on-failure
+LimitNOFILE=40960
 
 [Install]
 WantedBy=multi-user.target