diff --git a/VERSION b/VERSION
index ed52ef7866..682a8d1fba 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2020.09-1
+2020.12-dev
diff --git a/boot.php b/boot.php
index 6cc717d6b1..af08d54436 100644
--- a/boot.php
+++ b/boot.php
@@ -38,7 +38,7 @@ use Friendica\Util\DateTimeFormat;
 
 define('FRIENDICA_PLATFORM',     'Friendica');
 define('FRIENDICA_CODENAME',     'Red Hot Poker');
-define('FRIENDICA_VERSION',      '2020.09-1');
+define('FRIENDICA_VERSION',      '2020.12-dev');
 define('DFRN_PROTOCOL_VERSION',  '2.23');
 define('NEW_UPDATE_ROUTINE_VERSION', 1170);