diff --git a/build/Dockerfile b/build/Dockerfile
index 40178ef..e9c6fcd 100644
--- a/build/Dockerfile
+++ b/build/Dockerfile
@@ -1,4 +1,4 @@
-FROM postgres:17-alpine
+FROM postgres:18-alpine
 
 ENV POSTGRES_DB=langdb
 ENV POSTGRES_USER=langdb
diff --git a/build/Dockerfile-download b/build/Dockerfile-download
index cf71d45..76d012e 100644
--- a/build/Dockerfile-download
+++ b/build/Dockerfile-download
@@ -1,4 +1,4 @@
-FROM alpine:3.22
+FROM alpine:3.23
 
 VOLUME /mnt/data
 
diff --git a/build/Dockerfile-load b/build/Dockerfile-load
index 7cae0ed..58dfc09 100644
--- a/build/Dockerfile-load
+++ b/build/Dockerfile-load
@@ -1,4 +1,4 @@
-FROM eclipse-temurin:24-jdk-alpine AS build
+FROM eclipse-temurin:25-jdk-alpine AS build
 
 ENV MAVEN_HOME=/usr/share/maven
 
@@ -14,7 +14,7 @@ RUN /usr/bin/mvn -pl :langdb-load -am -DskipTests clean package
 
 # ============================================================================
 
-FROM eclipse-temurin:24-jdk-alpine AS seed
+FROM eclipse-temurin:25-jdk-alpine AS seed
 
 VOLUME /mnt/data
 
diff --git a/build/Dockerfile-transform b/build/Dockerfile-transform
index c94ac9d..e1b45e7 100644
--- a/build/Dockerfile-transform
+++ b/build/Dockerfile-transform
@@ -1,4 +1,4 @@
-FROM eclipse-temurin:24-jdk-alpine AS build
+FROM eclipse-temurin:25-jdk-alpine AS build
 
 ENV MAVEN_HOME=/usr/share/maven
 
@@ -14,7 +14,7 @@ RUN /usr/bin/mvn -pl :langdb-transform -am -DskipTests clean package
 
 # ============================================================================
 
-FROM eclipse-temurin:24-jdk-alpine
+FROM eclipse-temurin:25-jdk-alpine
 
 VOLUME /mnt/data