diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index 0871770739955e758bed009395f7e5447e898fd3..1b38308808ecb11c4efaed51fd20d4ba2aa3fed1 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -239,6 +239,9 @@ Drupal 7.0, 2011-01-05
     * Added a locking framework to coordinate long-running operations across
       requests.
 
+Drupal 6.23-dev, xxxx-xx-xx (development release)
+-----------------------
+
 Drupal 6.22, 2011-05-25
 -----------------------
 - Made Drupal 6 work better with IIS and Internet Explorer.
diff --git a/includes/bootstrap.inc b/includes/bootstrap.inc
index d96072abe66a9794e1eaaaa3c433fcfcc88da644..a5dec6997138aa94b7f96155d21b6235a3ace708 100644
--- a/includes/bootstrap.inc
+++ b/includes/bootstrap.inc
@@ -8,7 +8,7 @@
 /**
  * The current system version.
  */
-define('VERSION', '7.x-dev');
+define('VERSION', '7.3-dev');
 
 /**
  * Core API compatibility.