diff --git a/elasticsearch/Dockerfile b/elasticsearch/Dockerfile
index 363932e..914761e 100644
--- a/elasticsearch/Dockerfile
+++ b/elasticsearch/Dockerfile
@@ -1,5 +1,3 @@
-FROM elasticsearch:latest
-
-MAINTAINER Bo-Yi Wu <appleboy.tw@gmail.com>
+FROM docker.elastic.co/elasticsearch/elasticsearch:5.4.1
 
 EXPOSE 9200 9300