diff --git a/inventories/chaosknoten/host_vars/netbox.yaml b/inventories/chaosknoten/host_vars/netbox.yaml
index f28d193..e4cfaac 100644
--- a/inventories/chaosknoten/host_vars/netbox.yaml
+++ b/inventories/chaosknoten/host_vars/netbox.yaml
@@ -1,5 +1,5 @@
 # renovate: datasource=github-releases depName=netbox packageName=netbox-community/netbox
-netbox__version: "v4.5.5"
+netbox__version: "v4.5.6"
 netbox__config: "{{ lookup('ansible.builtin.template', 'resources/chaosknoten/netbox/netbox/configuration.py.j2') }}"
 netbox__custom_pipeline_oidc_group_and_role_mapping: true
 
diff --git a/resources/chaosknoten/keycloak/docker_compose/compose.yaml.j2 b/resources/chaosknoten/keycloak/docker_compose/compose.yaml.j2
index 165c62d..ea48002 100644
--- a/resources/chaosknoten/keycloak/docker_compose/compose.yaml.j2
+++ b/resources/chaosknoten/keycloak/docker_compose/compose.yaml.j2
@@ -46,12 +46,12 @@ services:
       - "8080:8080"
 
   db:
-    image: docker.io/library/postgres:15.17
+    image: docker.io/library/postgres:18
     restart: unless-stopped
     networks:
       - keycloak
     volumes:
-      - "./database:/var/lib/postgresql/data"
+      - "./database:/var/lib/postgresql"
     environment:
       POSTGRES_USER: keycloak
       POSTGRES_PASSWORD: {{ secret__keycloak_db_password }}
diff --git a/resources/chaosknoten/ntfy/docker_compose/compose.yaml.j2 b/resources/chaosknoten/ntfy/docker_compose/compose.yaml.j2
index af1b531..9b16db4 100644
--- a/resources/chaosknoten/ntfy/docker_compose/compose.yaml.j2
+++ b/resources/chaosknoten/ntfy/docker_compose/compose.yaml.j2
@@ -1,7 +1,7 @@
 ---
 services:
   ntfy:
-    image: docker.io/binwiederhier/ntfy:v2.20.1
+    image: docker.io/binwiederhier/ntfy:v2.21.0
     container_name: ntfy
     command:
       - serve