diff --git a/docker-compose.override.yml b/docker-compose.override.yml
index 693bc23..c0556a0 100644
--- a/docker-compose.override.yml
+++ b/docker-compose.override.yml
@@ -1,25 +1,19 @@
-version: '3.9'
+version: '3'
 
 networks:
   proxy:
     external: true
 
 services:
-  zammad-backup:
-    container_name: zammad-backup
-    image: bash:latest
-    restart: "no"
-    entrypoint: ["echo", "backup disabled in compose.override.yml"]
   zammad-elasticsearch:
     container_name: zammad-elasticsearch
     mem_limit: 6g
-    environment:
-      - "ES_JAVA_OPTS=-Dlog4j2.formatMsgNoLookups=true"
     healthcheck:
       test: curl -s http://localhost:9200 --output /dev/null || exit 1
       interval: 60s
       timeout: 10s
       retries: 30
+
   zammad-nginx:
     container_name: zammad-nginx
     healthcheck:
diff --git a/docker-compose.yml b/docker-compose.yml
index 363b20d..614a98b 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -8,21 +8,21 @@ services:
     depends_on:
       - zammad-railsserver
       - zammad-postgresql
-   # entrypoint: /usr/local/bin/backup.sh
+    entrypoint: /usr/local/bin/backup.sh
     environment:
       - BACKUP_SLEEP=86400
       - HOLD_DAYS=10
       - POSTGRESQL_USER=${POSTGRES_USER}
       - POSTGRESQL_PASSWORD=${POSTGRES_PASS}
-    image: postgres:15.0-alpine
+    image: postgres:${POSTGRES_VERSION}
     restart: ${RESTART}
     volumes:
       - zammad-backup:/var/tmp/zammad
       - zammad-data:/opt/zammad:ro
-    #  - ./scripts/backup.sh:/usr/local/bin/backup.sh:ro
+      - ./scripts/backup.sh:/usr/local/bin/backup.sh:ro
 
   zammad-elasticsearch:
-    image: bitnami/elasticsearch:8.5.0
+    image: bitnami/elasticsearch:8.5.1
     restart: ${RESTART}
     volumes:
       - elasticsearch-data:/bitnami/elasticsearch/data
@@ -61,7 +61,7 @@ services:
     environment:
       - POSTGRES_USER=${POSTGRES_USER}
       - POSTGRES_PASSWORD=${POSTGRES_PASS}
-    image: postgres:15.0-alpine
+    image: postgres:${POSTGRES_VERSION}
     restart: ${RESTART}
     volumes:
       - postgresql-data:/var/lib/postgresql/data
@@ -81,7 +81,7 @@ services:
       - zammad-data:/opt/zammad
 
   zammad-redis:
-    image: redis:6.2.5-alpine
+    image: redis:7.0.5-alpine
     restart: ${RESTART}
 
   zammad-scheduler: