diff --git a/Dockerfile b/Dockerfile
index b8aca104..87958c83 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # Dockerfile for ELK stack
-# Elasticsearch 2.1.1, Logstash 2.1.1, Kibana 4.3.1
+# Elasticsearch 2.2.0, Logstash 2.2.0, Kibana 4.4.0
 
 # Build with:
 # docker build -t <repo-user>/elk .
@@ -9,7 +9,7 @@
 
 FROM phusion/baseimage
 MAINTAINER Sebastien Pujadas http://pujadas.net
-ENV REFRESHED_AT 2015-12-18
+ENV REFRESHED_AT 2016-02-03
 
 ###############################################################################
 #                                INSTALLATION
@@ -33,7 +33,7 @@ RUN apt-get update -qq \
 ### install Logstash
 
 ENV LOGSTASH_HOME /opt/logstash
-ENV LOGSTASH_PACKAGE logstash-2.1.1.tar.gz
+ENV LOGSTASH_PACKAGE logstash-2.2.0.tar.gz
 
 RUN mkdir ${LOGSTASH_HOME} \
  && curl -O https://download.elasticsearch.org/logstash/logstash/${LOGSTASH_PACKAGE} \
@@ -52,7 +52,7 @@ RUN sed -i -e 's#^LS_HOME=$#LS_HOME='$LOGSTASH_HOME'#' /etc/init.d/logstash \
 ### install Kibana
 
 ENV KIBANA_HOME /opt/kibana
-ENV KIBANA_PACKAGE kibana-4.3.1-linux-x64.tar.gz
+ENV KIBANA_PACKAGE kibana-4.4.0-linux-x64.tar.gz
 
 RUN mkdir ${KIBANA_HOME} \
  && curl -O https://download.elasticsearch.org/kibana/kibana/${KIBANA_PACKAGE} \
diff --git a/README-short.txt b/README-short.txt
index 6d72d1e9..34a57bbc 100644
--- a/README-short.txt
+++ b/README-short.txt
@@ -1 +1 @@
-Collect, search and visualise log data with ELK (Elasticsearch 2.1.1, Logstash 2.1.1, Kibana 4.3.1).
\ No newline at end of file
+Collect, search and visualise log data with ELK (Elasticsearch 2.2.0, Logstash 2.2.0, Kibana 4.4.0).
\ No newline at end of file
diff --git a/README.md b/README.md
index 96dfc28c..65b54e2c 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 [![](https://badge.imagelayers.io/sebp/elk:latest.svg)](https://imagelayers.io/?images=sebp/elk:latest 'Get your own badge on imagelayers.io')
 
-This Docker image provides a convenient centralised log server and log management web interface, by packaging Elasticsearch (version 2.1.1), Logstash (version 2.1.1), and Kibana (version 4.3.1), collectively known as ELK.
+This Docker image provides a convenient centralised log server and log management web interface, by packaging Elasticsearch (version 2.2.0), Logstash (version 2.2.0), and Kibana (version 4.4.0), collectively known as ELK.
 
 **Note** – The last image using the Elasticsearch 1.x and Logstash 1.x branches is also available (the versions of the ELK components in that image are Elasticsearch 1.7.3, Logstash 1.5.5, and Kibana 4.1.2). See the documentation page for more information.