diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index 94522f5aaed35e2fe3abf500b95fd545fc0d6922..0e3988dd745ee8f99d5a9493ccdc5cfca937b15a 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -1,3 +1,5 @@
+Drupal 7.18, xxxx-xx-xx (development version)
+-----------------------
 
 Drupal 7.17, 2012-11-07
 -----------------------
diff --git a/includes/bootstrap.inc b/includes/bootstrap.inc
index c9b17fe285c169596dd1d22c138d70266b97241d..74853b2cf55e2d3a0caff0811c537b59a05cdfe8 100644
--- a/includes/bootstrap.inc
+++ b/includes/bootstrap.inc
@@ -8,7 +8,7 @@
 /**
  * The current system version.
  */
-define('VERSION', '7.17');
+define('VERSION', '7.18-dev');
 
 /**
  * Core API compatibility.