diff --git a/resources/chaosknoten/tickets/docker_compose/compose.yaml.j2 b/resources/chaosknoten/tickets/docker_compose/compose.yaml.j2
index 5de121b8..9eac87ca 100644
--- a/resources/chaosknoten/tickets/docker_compose/compose.yaml.j2
+++ b/resources/chaosknoten/tickets/docker_compose/compose.yaml.j2
@@ -25,7 +25,7 @@ services:
       backend:
 
   pretix:
-    image: docker.io/pretix/standalone:2026.3
+    image: docker.io/pretix/standalone:2026.7
     command: ["all"]
     ports:
       - "8345:80"
diff --git a/resources/chaosknoten/zammad/docker_compose/compose.yaml b/resources/chaosknoten/zammad/docker_compose/compose.yaml
index fb6837d4..70106c55 100644
--- a/resources/chaosknoten/zammad/docker_compose/compose.yaml
+++ b/resources/chaosknoten/zammad/docker_compose/compose.yaml
@@ -57,7 +57,7 @@ x-shared:
       LETSENCRYPT_HOST:
       LETSENCRYPT_EMAIL:
 
-    image: ${IMAGE_REPO:-ghcr.io/zammad/zammad}:${VERSION:-6.5.3}
+    image: ${IMAGE_REPO:-ghcr.io/zammad/zammad}:${VERSION:-7.1.2}
     restart: ${RESTART:-always}
     volumes:
       - zammad-storage:/opt/zammad/storage
@@ -76,7 +76,7 @@ services:
     user: 0:0
 
   zammad-elasticsearch:
-    image: elasticsearch:${ELASTICSEARCH_VERSION:-8.19.13}
+    image: elasticsearch:${ELASTICSEARCH_VERSION:-8.19.19}
     restart: ${RESTART:-always}
     volumes:
       - elasticsearch-data:/usr/share/elasticsearch/data