diff --git a/Dockerfile b/Dockerfile
index b9385cf..2876e4a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM docker.elastic.co/elasticsearch/elasticsearch:6.0.1
+FROM docker.elastic.co/elasticsearch/elasticsearch:5.6.5
 MAINTAINER Patrick Laurin <plaurin@inocybe.ca>
 RUN wget https://packages.elastic.co/curator/5/centos/7/Packages/elasticsearch-curator-5.4.1-1.x86_64.rpm
 RUN rpm -ivh elasticsearch-curator-5.4.1-1.x86_64.rpm