diff --git a/resources/chaosknoten/lists/docker_compose/compose.yaml.j2 b/resources/chaosknoten/lists/docker_compose/compose.yaml.j2
index 7a109e8c..572b6dfc 100644
--- a/resources/chaosknoten/lists/docker_compose/compose.yaml.j2
+++ b/resources/chaosknoten/lists/docker_compose/compose.yaml.j2
@@ -62,7 +62,7 @@ services:
       - POSTGRES_DB=mailmandb
       - POSTGRES_USER=mailman
       - "POSTGRES_PASSWORD={{ secret__lists__postgres_password }}"
-    image: docker.io/library/postgres:12-alpine
+    image: docker.io/library/postgres:15-alpine
     volumes:
       - /opt/mailman/database:/var/lib/postgresql/data
     networks:
diff --git a/resources/chaosknoten/pad/nginx/pad.hamburg.ccc.de.conf b/resources/chaosknoten/pad/nginx/pad.hamburg.ccc.de.conf
index cf49d232..493fac53 100644
--- a/resources/chaosknoten/pad/nginx/pad.hamburg.ccc.de.conf
+++ b/resources/chaosknoten/pad/nginx/pad.hamburg.ccc.de.conf
@@ -14,6 +14,8 @@ server {
 
     server_name pad.hamburg.ccc.de;
 
+    client_max_body_size 100m;
+
     ssl_certificate /etc/letsencrypt/live/pad.hamburg.ccc.de/fullchain.pem;
     ssl_certificate_key /etc/letsencrypt/live/pad.hamburg.ccc.de/privkey.pem;
     # verify chain of trust of OCSP response using Root CA and Intermediate certs