diff --git a/lib/common.php b/lib/common.php
index 9d7954fa98..764c5a0770 100644
--- a/lib/common.php
+++ b/lib/common.php
@@ -19,7 +19,7 @@
 
 if (!defined('LACONICA')) { exit(1); }
 
-define('LACONICA_VERSION', '0.8.1dev');
+define('LACONICA_VERSION', '0.9.0dev');
 
 define('AVATAR_PROFILE_SIZE', 96);
 define('AVATAR_STREAM_SIZE', 48);