diff --git a/resources/chaosknoten/grafana/docker_compose/compose.yaml.j2 b/resources/chaosknoten/grafana/docker_compose/compose.yaml.j2
index a39c08a..8c38500 100644
--- a/resources/chaosknoten/grafana/docker_compose/compose.yaml.j2
+++ b/resources/chaosknoten/grafana/docker_compose/compose.yaml.j2
@@ -70,7 +70,7 @@ services:
       - loki_data:/var/loki
 
   ntfy-alertmanager-ccchh-critical:
-    image: docker.io/xenrox/ntfy-alertmanager:0.5.0
+    image: docker.io/xenrox/ntfy-alertmanager:1.0.0
     container_name: ntfy-alertmanager-ccchh-critical
     volumes:
       - ./configs/ntfy-alertmanager-ccchh-critical:/etc/ntfy-alertmanager/config
@@ -79,7 +79,7 @@ services:
     restart: unless-stopped
 
   ntfy-alertmanager-fux-critical:
-    image: docker.io/xenrox/ntfy-alertmanager:0.5.0
+    image: docker.io/xenrox/ntfy-alertmanager:1.0.0
     container_name: ntfy-alertmanager-fux-critical
     volumes:
       - ./configs/ntfy-alertmanager-fux-critical:/etc/ntfy-alertmanager/config
@@ -88,7 +88,7 @@ services:
     restart: unless-stopped
 
   ntfy-alertmanager-ccchh:
-    image: docker.io/xenrox/ntfy-alertmanager:0.5.0
+    image: docker.io/xenrox/ntfy-alertmanager:1.0.0
     container_name: ntfy-alertmanager-ccchh
     volumes:
       - ./configs/ntfy-alertmanager-ccchh:/etc/ntfy-alertmanager/config
@@ -97,7 +97,7 @@ services:
     restart: unless-stopped
 
   ntfy-alertmanager-fux:
-    image: docker.io/xenrox/ntfy-alertmanager:0.5.0
+    image: docker.io/xenrox/ntfy-alertmanager:1.0.0
     container_name: ntfy-alertmanager-fux
     volumes:
       - ./configs/ntfy-alertmanager-fux:/etc/ntfy-alertmanager/config
diff --git a/resources/chaosknoten/tickets/docker_compose/compose.yaml.j2 b/resources/chaosknoten/tickets/docker_compose/compose.yaml.j2
index 602137b..2bf732b 100644
--- a/resources/chaosknoten/tickets/docker_compose/compose.yaml.j2
+++ b/resources/chaosknoten/tickets/docker_compose/compose.yaml.j2
@@ -1,13 +1,13 @@
 ---
 services:
   database:
-    image: docker.io/library/postgres:15-alpine
+    image: docker.io/library/postgres:18-alpine
     environment:
       - "POSTGRES_USER=pretix"
       - "POSTGRES_PASSWORD={{ secret__pretix_db_password }}"
       - "POSTGRES_DB=pretix"
     volumes:
-      - database:/var/lib/postgresql/data
+      - database:/var/lib/postgresql
     networks:
       backend:
     restart: unless-stopped