diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 1df352f..9fcdab3 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,4 +1,4 @@
-image: node:20-bullseye-slim
+image: node:20-bookworm-slim
 
 stages:
   - build
diff --git a/docker/elasticsearch/Dockerfile b/docker/elasticsearch/Dockerfile
index b13d85c..57a5876 100644
--- a/docker/elasticsearch/Dockerfile
+++ b/docker/elasticsearch/Dockerfile
@@ -1 +1 @@
-FROM docker.elastic.co/elasticsearch/elasticsearch:8.8.0
+FROM docker.elastic.co/elasticsearch/elasticsearch:8.8.1
diff --git a/docker/memcached/Dockerfile b/docker/memcached/Dockerfile
index 67727b2..98e2a03 100644
--- a/docker/memcached/Dockerfile
+++ b/docker/memcached/Dockerfile
@@ -1 +1 @@
-FROM memcached:1.6.20-bullseye
+FROM memcached:1.6.21-bookworm
diff --git a/docker/postgresql/Dockerfile b/docker/postgresql/Dockerfile
index bfd76dd..9a95205 100644
--- a/docker/postgresql/Dockerfile
+++ b/docker/postgresql/Dockerfile
@@ -1 +1 @@
-FROM postgres:15.3-bullseye
+FROM postgres:15.3-bookworm
diff --git a/docker/redis/Dockerfile b/docker/redis/Dockerfile
index 2265506..5bdf2c4 100644
--- a/docker/redis/Dockerfile
+++ b/docker/redis/Dockerfile
@@ -1 +1 @@
-FROM redis:7.0.11-bullseye
+FROM redis:7.0.11-bookworm
diff --git a/docker/zammad/Dockerfile b/docker/zammad/Dockerfile
index 881fe86..155ebd7 100644
--- a/docker/zammad/Dockerfile
+++ b/docker/zammad/Dockerfile
@@ -1,4 +1,4 @@
-FROM zammad/zammad-docker-compose:5.4.1 AS builder
+FROM zammad/zammad-docker-compose:6.0.0 AS builder
 RUN mkdir -p /opt/zammad/contrib/link/addons
 COPY addons ${ZAMMAD_TMP_DIR}/contrib/link/addons
 COPY setup.rb ${ZAMMAD_TMP_DIR}/contrib/link/setup.rb
@@ -31,7 +31,7 @@ RUN sed -i '/^[[:space:]]*# create install ready file/ i\
 
 FROM node:16.18.0-slim as node
 
-FROM zammad/zammad-docker-compose:5.4.1
+FROM zammad/zammad-docker-compose:6.0.0
 USER ${ZAMMAD_USER}
 ENV SEQUOIA_DIR=/usr/lib/sequoia
 ENV LD_LIBRARY_PATH=${SEQUOIA_DIR}/target/debug