diff --git a/client/ipa/K.py b/client/ipa/K.py
index 67fb8adf..a8a5c771 100644
--- a/client/ipa/K.py
+++ b/client/ipa/K.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 
 
-CLIENT_GREETING = ('IP anemometer client 0.3.2 - (c) 2016 Jörg Zieren'
+CLIENT_GREETING = ('IP anemometer client 0.4.0 - (c) 2017 Jörg Zieren'
                    ' - http://zieren.de - GNU GPL v3')
 CONFIG_FILENAME = 'ipa.cfg'
 STATE_DIR = '../state/'
diff --git a/client/sh/ipa_wrapper.sh b/client/sh/ipa_wrapper.sh
index 635b9d43..e9b911ed 100644
--- a/client/sh/ipa_wrapper.sh
+++ b/client/sh/ipa_wrapper.sh
@@ -26,7 +26,7 @@ if [ -z "$SERVER_URL" ]; then
 fi
 
 # Internal variables.
-GREETING="IP anemometer wrapper 0.3.2 - (c) 2016 Joerg Zieren - http://zieren.de - GNU GPL v3"
+GREETING="IP anemometer wrapper 0.4.0 - (c) 2017 Joerg Zieren - http://zieren.de - GNU GPL v3"
 DL_FILENAME=ipa-client.zip
 
 function sleep_dl_retry() {
diff --git a/server/common/common.php b/server/common/common.php
index cbe4ee78..c837eeee 100644
--- a/server/common/common.php
+++ b/server/common/common.php
@@ -75,7 +75,7 @@ function ipaFatalErrorHandler() {
 }
 register_shutdown_function('ipaFatalErrorHandler');
 
-define('IPA_SERVER_HEADING', 'IP anemometer server 0.3.2');
+define('IPA_SERVER_HEADING', 'IP anemometer server 0.4.0');
 
 define('NOT_AVAILABLE', 'n/a');
 
diff --git a/wordpress/readme.txt b/wordpress/readme.txt
index 36a66d9d..6bdc416e 100644
--- a/wordpress/readme.txt
+++ b/wordpress/readme.txt
@@ -2,7 +2,7 @@
 Contributors: zieren
 Tags: weather, wind, anemometer, rc model aircraft
 Requires at least: 4
-Tested up to: 4.5.2
+Tested up to: 4.9
 License: GPL v3
 License URI: https://www.gnu.org/licenses/gpl-3.0-standalone.html
 
diff --git a/wordpress/wp-ipa.php b/wordpress/wp-ipa.php
index e45d55cc..180fed57 100644
--- a/wordpress/wp-ipa.php
+++ b/wordpress/wp-ipa.php
@@ -3,7 +3,7 @@
  * Plugin Name: IP Anemometer
  * Plugin URI: http://zieren.de
  * Description: Embed wind speed charts in WordPress content. For use with the free <a href="http://zieren.de/">IP anemometer for the Raspberry Pi</a>.
- * Version: 0.3.2
+ * Version: 0.4.0
  * Author: J&ouml;rg Zieren
  * Author URI: http://zieren.de
  * License: GPL v3