diff --git a/mailpoet.php b/mailpoet.php
index b3b1cbba65..e2ce27284b 100644
--- a/mailpoet.php
+++ b/mailpoet.php
@@ -2,7 +2,7 @@
 
 /*
  * Plugin Name: MailPoet 3 (New)
- * Version: 3.39.2
+ * Version: 3.40.0
  * Plugin URI: http://www.mailpoet.com
  * Description: Create and send newsletters, post notifications and welcome emails from your WordPress.
  * Author: MailPoet
@@ -16,7 +16,7 @@
  */
 
 $mailpoet_plugin = [
-  'version' => '3.39.2',
+  'version' => '3.40.0',
   'filename' => __FILE__,
   'path' => dirname(__FILE__),
   'autoloader' => dirname(__FILE__) . '/vendor/autoload.php',
diff --git a/readme.txt b/readme.txt
index 09f7953b77..e4c414ded3 100644
--- a/readme.txt
+++ b/readme.txt
@@ -3,7 +3,7 @@ Contributors: mailpoet, wysija
 Tags: email, email marketing, post notification, woocommerce emails, email automation, newsletter, newsletter builder, newsletter subscribers
 Requires at least: 4.7
 Tested up to: 5.2
-Stable tag: 3.39.2
+Stable tag: 3.40.0
 Requires PHP: 5.6
 License: GPLv3
 License URI: https://www.gnu.org/licenses/gpl-3.0.html
@@ -159,6 +159,10 @@ Check our [Knowledge Base](https://kb.mailpoet.com) or contact us through our [s
 
 == Changelog ==
 
+= 3.40.0 - 2019-11-18 =
+* Improved: newsletter editor performance;
+* Fix: broken translation string.
+
 = 3.39.2 - 2019-11-11 =
 * Fixed: missing text domain for translations;
 * Fixed: bulk trashing of subscribers with user ID of 0.