Something

diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index 131e172..8410ea0 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -1,4 +1,7 @@

+Drupal 7.x-dev, xxxx-xx-xx (development version)
+----------------------
+
 Drupal 7.2, 2011-05-25
 ----------------------
 - Added a default .gitignore file.
diff --git a/includes/bootstrap.inc b/includes/bootstrap.inc
index b70149c..d96072a 100644
--- a/includes/bootstrap.inc
+++ b/includes/bootstrap.inc
@@ -8,7 +8,7 @@
 /**
  * The current system version.
  */
-define('VERSION', '7.2');
+define('VERSION', '7.x-dev');

 /**
  * Core API compatibility.