diff --git a/Dockerfile b/Dockerfile
index 781ae70..2484ec8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM maven:3-eclipse-temurin-20-alpine as builder
+FROM maven:3-eclipse-temurin-21-alpine as builder
 
 COPY pom.xml .