diff --git a/README.md b/README.md
index 7d8eb8b..5b65be2 100644
--- a/README.md
+++ b/README.md
@@ -47,7 +47,7 @@ The use of a map ensures the Ansible playbook does not need to be updated to ref
 
 In addition to the es_config map, several other parameters are supported for additional functions e.g. script installation.  These can be found in the role's defaults/main.yml file.
 
-The following illustrates applying configuration parameters to an Elasticsearch instance.  By default, Elasticsearch 2.3.4 is installed.
+The following illustrates applying configuration parameters to an Elasticsearch instance.  By default, Elasticsearch 2.4.3 is installed.
 
 ```
 - name: Elasticsearch with custom configuration
@@ -288,7 +288,7 @@ To define proxy only for a particular plugin during its installation:
 * The role assumes the user/group exists on the server.  The elasticsearch packages create the default elasticsearch user.  If this needs to be changed, ensure the user exists.
 * The playbook relies on the inventory_name of each host to ensure its directories are unique
 * Changing an instance_name for a role application will result in the installation of a new component.  The previous component will remain.
-* KitchenCI has been used for testing.  This is used to confirm images reach the correct state after a play is first applied.  We currently test only the latest version of each major release i.e. 1.7.3 and 2.3.4 on
+* KitchenCI has been used for testing.  This is used to confirm images reach the correct state after a play is first applied.  We currently test only the latest version of 2.x on
 all supported platforms. 
 * The role aims to be idempotent.  Running the role multiple times, with no changes, should result in no state change on the server.  If the configuration is changed, these will be applied and 
 Elasticsearch restarted where required.
diff --git a/defaults/main.yml b/defaults/main.yml
index 9e01f25..dfa55da 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -1,6 +1,6 @@
 ---
 es_major_version: "2.x"
-es_version: "2.3.4"
+es_version: "2.4.3"
 es_version_lock: false
 es_use_repository: true
 es_apt_key: "https://packages.elasticsearch.org/GPG-KEY-elasticsearch"
diff --git a/test/integration/config-2x/serverspec/default_spec.rb b/test/integration/config-2x/serverspec/default_spec.rb
index f416eed..c7d6685 100644
--- a/test/integration/config-2x/serverspec/default_spec.rb
+++ b/test/integration/config-2x/serverspec/default_spec.rb
@@ -1,6 +1,6 @@
 require 'config_spec'
 
 describe 'Config Tests v 2.x' do
-  include_examples 'config::init', "2.3.4"
+  include_examples 'config::init', "2.4.3"
 end
 
diff --git a/test/integration/multi-2x/serverspec/default_spec.rb b/test/integration/multi-2x/serverspec/default_spec.rb
index 81637c4..2772909 100644
--- a/test/integration/multi-2x/serverspec/default_spec.rb
+++ b/test/integration/multi-2x/serverspec/default_spec.rb
@@ -2,7 +2,7 @@ require 'multi_spec'
 
 
 describe 'Multi Tests v 2.x' do
-  include_examples 'multi::init', "2.3.4", ["kopf"]
+  include_examples 'multi::init', "2.4.3", ["kopf"]
 end
 
 
diff --git a/test/integration/package-2x/serverspec/default_spec.rb b/test/integration/package-2x/serverspec/default_spec.rb
index 417df47..b452119 100644
--- a/test/integration/package-2x/serverspec/default_spec.rb
+++ b/test/integration/package-2x/serverspec/default_spec.rb
@@ -2,5 +2,5 @@ require 'package_spec'
 
 
 describe 'Package Tests v 2.x' do
-  include_examples 'package::init', "2.3.4", ["kopf"]
+  include_examples 'package::init', "2.4.3", ["kopf"]
 end
\ No newline at end of file
diff --git a/test/integration/standard-2x/serverspec/default_spec.rb b/test/integration/standard-2x/serverspec/default_spec.rb
index 86033b3..853d28d 100644
--- a/test/integration/standard-2x/serverspec/default_spec.rb
+++ b/test/integration/standard-2x/serverspec/default_spec.rb
@@ -2,7 +2,7 @@ require 'standard_spec'
 
 
 describe 'Standard Tests v 2.x' do
-  include_examples 'standard::init', "2.3.4"
+  include_examples 'standard::init', "2.4.3"
 end
 
 
diff --git a/test/integration/xpack-2x/serverspec/default_spec.rb b/test/integration/xpack-2x/serverspec/default_spec.rb
index e4ca2d8..e372a45 100644
--- a/test/integration/xpack-2x/serverspec/default_spec.rb
+++ b/test/integration/xpack-2x/serverspec/default_spec.rb
@@ -1,5 +1,5 @@
 require 'xpack_spec'
 
 describe 'Xpack Tests v 2.x' do
-  include_examples 'xpack::init', "2.3.4"
+  include_examples 'xpack::init', "2.4.3"
 end