diff --git a/xxl-job-admin/Dockerfile b/xxl-job-admin/Dockerfile
index cc31b1f2..fb6d81ba 100644
--- a/xxl-job-admin/Dockerfile
+++ b/xxl-job-admin/Dockerfile
@@ -1,4 +1,5 @@
-FROM openjdk:17-jdk-slim
+FROM openjdk:21-jdk-slim
+#FROM openjdk:17-jdk-slim
 
 MAINTAINER xuxueli