diff --git a/resources/chaosknoten/acmedns/docker_compose/compose.yaml.j2 b/resources/chaosknoten/acmedns/docker_compose/compose.yaml.j2
index 2553f4d7..4681da82 100644
--- a/resources/chaosknoten/acmedns/docker_compose/compose.yaml.j2
+++ b/resources/chaosknoten/acmedns/docker_compose/compose.yaml.j2
@@ -2,7 +2,7 @@
 services:
   oauth2-proxy:
     container_name: oauth2-proxy
-    image: quay.io/oauth2-proxy/oauth2-proxy:v7.15.3
+    image: quay.io/oauth2-proxy/oauth2-proxy:v7.15.4
     command: --config /oauth2-proxy.cfg
     hostname: oauth2-proxy
     volumes:
diff --git a/resources/chaosknoten/public-reverse-proxy/nginx/nginx.conf b/resources/chaosknoten/public-reverse-proxy/nginx/nginx.conf
index c7be7563..04b310a1 100644
--- a/resources/chaosknoten/public-reverse-proxy/nginx/nginx.conf
+++ b/resources/chaosknoten/public-reverse-proxy/nginx/nginx.conf
@@ -3,6 +3,7 @@
 
 user  nginx;
 worker_processes  auto;
+worker_rlimit_nofile  2050; # should be worker_connections*2 at least
 
 error_log  /var/log/nginx/error.log notice;
 pid        /var/run/nginx.pid;