diff --git a/docker-compose/compose.fhir-server.yaml b/docker-compose/compose.fhir-server.yaml
index 94ecc0c4..5fe38b2c 100644
--- a/docker-compose/compose.fhir-server.yaml
+++ b/docker-compose/compose.fhir-server.yaml
@@ -34,7 +34,7 @@ services:
       - "8082:8080"
 
   fhir-db:
-    image: docker.io/library/postgres:15.3
+    image: docker.io/library/postgres:15.4
     restart: unless-stopped
     deploy:
       resources:
diff --git a/docker-compose/compose.pseudonymization.yaml b/docker-compose/compose.pseudonymization.yaml
index 5519a6ce..4c42300d 100644
--- a/docker-compose/compose.pseudonymization.yaml
+++ b/docker-compose/compose.pseudonymization.yaml
@@ -1,6 +1,6 @@
 services:
   fhir-gateway:
-    image: ghcr.io/miracum/fhir-gateway:v3.10.9
+    image: ghcr.io/miracum/fhir-gateway:v3.12.1
     restart: unless-stopped
     cap_drop:
       - ALL
diff --git a/src/adtfhir_to_opal/Dockerfile b/src/adtfhir_to_opal/Dockerfile
index 09316325..fc2403ae 100644
--- a/src/adtfhir_to_opal/Dockerfile
+++ b/src/adtfhir_to_opal/Dockerfile
@@ -1,4 +1,4 @@
-FROM docker.io/bitnami/spark:3.3.2@sha256:11ccd03367cadc0da48432e7636746e98a842324f590630f6d14299a40ff2ee4
+FROM docker.io/bitnami/spark:3.4.1@sha256:57455db19d0d90d8269fcbd35739132c9d7dc3463cc178f72e5b17e62dc180d0
 ENV SPARK_JARS_IVY="/home/spark/.ivy"
 WORKDIR /opt/bitnami/spark
 USER 0
diff --git a/src/decompose_xmls/Dockerfile b/src/decompose_xmls/Dockerfile
index 2d3c515b..1b20070e 100644
--- a/src/decompose_xmls/Dockerfile
+++ b/src/decompose_xmls/Dockerfile
@@ -1,7 +1,7 @@
 # syntax=docker/dockerfile:1
 
 # Comments are provided throughout this file to help you get started.
-FROM docker.io/library/python:3.11.4-slim@sha256:36b544be6e796eb5caa0bf1ab75a17d2e20211cad7f66f04f6f5c9eeda930ef5 AS base
+FROM docker.io/library/python:3.11.5-slim@sha256:0593057b0df53babbbd6c2138b5059a6a9d124ea7ca09700d98e10a8a83019cb AS base
 ENV PYTHONDONTWRITEBYTECODE=1 \
     PYTHONUNBUFFERED=1
 WORKDIR /app