diff --git a/.env b/.env
index d2b595c..233722b 100644
--- a/.env
+++ b/.env
@@ -1 +1 @@
-ELK_VERSION=6.5.4
+ELK_VERSION=6.6.0
diff --git a/README.md b/README.md
index dc08011..416e0d3 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # Elastic stack (ELK) on Docker
 
 [![Join the chat at https://gitter.im/deviantony/docker-elk](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/deviantony/docker-elk?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
-[![Elastic Stack version](https://img.shields.io/badge/ELK-6.5.4-blue.svg?style=flat)](https://github.com/deviantony/docker-elk/issues/344)
+[![Elastic Stack version](https://img.shields.io/badge/ELK-6.6.0-blue.svg?style=flat)](https://github.com/deviantony/docker-elk/issues/362)
 [![Build Status](https://api.travis-ci.org/deviantony/docker-elk.svg?branch=master)](https://travis-ci.org/deviantony/docker-elk)
 
 Run the latest version of the [Elastic stack](https://www.elastic.co/elk-stack) with Docker and Docker Compose.
@@ -127,7 +127,7 @@ Create an index pattern via the Kibana API:
 ```console
 $ curl -XPOST -D- 'http://localhost:5601/api/saved_objects/index-pattern' \
     -H 'Content-Type: application/json' \
-    -H 'kbn-version: 6.5.4' \
+    -H 'kbn-version: 6.6.0' \
     -d '{"attributes":{"title":"logstash-*","timeFieldName":"@timestamp"}}'
 ```
 
diff --git a/docker-stack.yml b/docker-stack.yml
index 9df87c9..18707f2 100644
--- a/docker-stack.yml
+++ b/docker-stack.yml
@@ -3,7 +3,7 @@ version: '3.3'
 services:
 
   elasticsearch:
-    image: docker.elastic.co/elasticsearch/elasticsearch-oss:6.5.4
+    image: docker.elastic.co/elasticsearch/elasticsearch-oss:6.6.0
     ports:
       - "9200:9200"
       - "9300:9300"
@@ -19,7 +19,7 @@ services:
       replicas: 1
 
   logstash:
-    image: docker.elastic.co/logstash/logstash-oss:6.5.4
+    image: docker.elastic.co/logstash/logstash-oss:6.6.0
     ports:
       - "5000:5000"
       - "9600:9600"
@@ -37,7 +37,7 @@ services:
       replicas: 1
 
   kibana:
-    image: docker.elastic.co/kibana/kibana-oss:6.5.4
+    image: docker.elastic.co/kibana/kibana-oss:6.6.0
     ports:
       - "5601:5601"
     configs: