diff --git a/containers/zammad-elasticsearch/Dockerfile b/containers/zammad-elasticsearch/Dockerfile
index 2ae3dbf..f9dc9be 100644
--- a/containers/zammad-elasticsearch/Dockerfile
+++ b/containers/zammad-elasticsearch/Dockerfile
@@ -1,4 +1,4 @@
-FROM docker.elastic.co/elasticsearch/elasticsearch:5.6.9
+FROM docker.elastic.co/elasticsearch/elasticsearch:5.6.12
 MAINTAINER Zammad <info@zammad.org>
 ARG BUILD_DATE