diff --git a/Dockerfile b/Dockerfile
index 87ecd01..b56f339 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
-ARG BASE_IMAGE=eclipse-temurin:17-jre-alpine
-ARG BUILD_IMAGE=eclipse-temurin:17-jdk-alpine
+ARG BASE_IMAGE=eclipse-temurin:21-jre-alpine
+ARG BUILD_IMAGE=eclipse-temurin:21-jdk-alpine
 
 FROM ${BUILD_IMAGE} as viaaas-build