diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index 09662cf8805593c8c1303d4da4f2c875cbcb831b..ac15ca18d7f5c1b0a9470d9c372f6f9323606d59 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -1,4 +1,7 @@
 
+Drupal 7.16, xxxx-xx-xx (development version)
+-----------------------
+
 Drupal 7.15, 2012-08-01
 -----------------------
 - Introduced a 'user_password_reset_timeout' variable to allow the 24-hour
diff --git a/includes/bootstrap.inc b/includes/bootstrap.inc
index b868fd330e2596dfc6875ea8b5a0cea63c2f36b1..753ecea43d584518096be71973d14bba29c07a6a 100644
--- a/includes/bootstrap.inc
+++ b/includes/bootstrap.inc
@@ -8,7 +8,7 @@
 /**
  * The current system version.
  */
-define('VERSION', '7.15');
+define('VERSION', '7.16-dev');
 
 /**
  * Core API compatibility.