diff --git a/resources/chaosknoten/ccchoir/docker_compose/compose.yaml.j2 b/resources/chaosknoten/ccchoir/docker_compose/compose.yaml.j2
index 72d898fa..2dff4bcd 100644
--- a/resources/chaosknoten/ccchoir/docker_compose/compose.yaml.j2
+++ b/resources/chaosknoten/ccchoir/docker_compose/compose.yaml.j2
@@ -3,7 +3,7 @@
 
 services:
   database:
-    image: docker.io/library/mariadb:11
+    image: docker.io/library/mariadb:12
     environment:
       - "MARIADB_DATABASE=wordpress"
       - "MARIADB_ROOT_PASSWORD={{ secret__mariadb_root_password }}"
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