diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index f5d6683ea1ce41a68ac30e78a8f93b5ee2908746..d727bdc27b00194e264a14ae4309143b40947cb5 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -1,5 +1,8 @@
 // $Id$
 
+Drupal 5.17, xxxx-xx-xx (development version)
+-----------------------
+
 Drupal 5.16, 2009-02-25
 -----------------------
 - Fixed a security issue, (Local file inclusion on Windows), see SA-CORE-2009-004.
diff --git a/modules/system/system.module b/modules/system/system.module
index eff46c6c505277bbcf52f55791ebdd402c31a816..607247e0b9d8be8eddd3b90986329af1550b478b 100644
--- a/modules/system/system.module
+++ b/modules/system/system.module
@@ -6,7 +6,7 @@
  * Configuration system that lets administrators modify the workings of the site.
  */
 
-define('VERSION', '5.16');
+define('VERSION', '5.17-dev');
 
 /**
  * Implementation of hook_help().