diff --git a/HISTORY.md b/HISTORY.md
index daf1e1f..ff73355 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,5 +1,9 @@
 # createsend-php history
 
+## v3.1.1 - 3 Oct, 2013
+
+* Made it harder to accidentally email your subscribers when using the example code
+
 ## v3.1.0 - 15 Apr, 2013
 
 * Added support for [single sign on](http://www.campaignmonitor.com/api/account/#single_sign_on) which allows initiation of external login sessions to Campaign Monitor.
diff --git a/class/base_classes.php b/class/base_classes.php
index 5bf00f5..4c8084d 100644
--- a/class/base_classes.php
+++ b/class/base_classes.php
@@ -4,7 +4,7 @@
 require_once dirname(__FILE__).'/transport.php';
 require_once dirname(__FILE__).'/log.php';
 
-define('CS_REST_WRAPPER_VERSION', '3.1.0');
+define('CS_REST_WRAPPER_VERSION', '3.1.1');
 define('CS_HOST', 'api.createsend.com');
 define('CS_OAUTH_BASE_URI', 'https://'.CS_HOST.'/oauth');
 define('CS_OAUTH_TOKEN_URI', CS_OAUTH_BASE_URI.'/token');