diff --git a/Dockerfile b/Dockerfile
index 0a2fb57..40ea2c9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM maven:3.9.9-eclipse-temurin-17 AS build
+FROM maven:3.9.9-eclipse-temurin-21 AS build
 WORKDIR /workspace
 
 COPY pom.xml ./
@@ -7,7 +7,7 @@ RUN mvn -q -DskipTests dependency:go-offline
 COPY src ./src
 RUN mvn -q -DskipTests package dependency:copy-dependencies
 
-FROM eclipse-temurin:17-jre-alpine
+FROM eclipse-temurin:21-jre-alpine
 WORKDIR /app
 
 RUN addgroup -S app && adduser -S app -G app