diff --git a/xxl-job-executor-samples/xxl-job-executor-sample-springboot/Dockerfile b/xxl-job-executor-samples/xxl-job-executor-sample-springboot/Dockerfile
index 8648d945..801b9eb8 100644
--- a/xxl-job-executor-samples/xxl-job-executor-sample-springboot/Dockerfile
+++ b/xxl-job-executor-samples/xxl-job-executor-sample-springboot/Dockerfile
@@ -1,4 +1,4 @@
-FROM openjdk:8-jre-slim
+FROM openjdk:21-jdk-slim
 MAINTAINER xuxueli
 
 ENV PARAMS=""