diff --git a/backend/Dockerfile b/backend/Dockerfile
index 8d46d95..614ca9c 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -1,4 +1,4 @@
-FROM maven:3.9.9-eclipse-temurin-21-alpine AS build
+FROM maven:3.9.15-eclipse-temurin-26-alpine AS build
 WORKDIR /workspace
 COPY pom.xml .
 RUN mvn -B -q dependency:go-offline