diff --git a/elasticsearch/Dockerfile b/elasticsearch/Dockerfile
index c82bd0c..d3ff4f4 100644
--- a/elasticsearch/Dockerfile
+++ b/elasticsearch/Dockerfile
@@ -1,3 +1,3 @@
-FROM docker.elastic.co/elasticsearch/elasticsearch:6.2.3
+FROM docker.elastic.co/elasticsearch/elasticsearch:6.6.0
 
 EXPOSE 9200 9300
diff --git a/kibana/Dockerfile b/kibana/Dockerfile
index b97bc19..badfd80 100644
--- a/kibana/Dockerfile
+++ b/kibana/Dockerfile
@@ -1,3 +1,3 @@
-FROM docker.elastic.co/kibana/kibana:6.2.3
+FROM docker.elastic.co/kibana/kibana:6.6.0
 
 EXPOSE 5601