diff --git a/VERSION b/VERSION
index 454e445f6e..6a665efe25 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2020.09-dev
+2020.09-rc
diff --git a/boot.php b/boot.php
index b43fd6dc2f..95a9ff13d0 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-dev');
+define('FRIENDICA_VERSION',      '2020.09-rc');
 define('DFRN_PROTOCOL_VERSION',  '2.23');
 define('NEW_UPDATE_ROUTINE_VERSION', 1170);