diff --git a/VERSION b/VERSION
index bb3511a1d2..3193eddcda 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2019.09-dev
+2019.09-rc
diff --git a/boot.php b/boot.php
index 086e74d2f4..028ba1e829 100644
--- a/boot.php
+++ b/boot.php
@@ -31,7 +31,7 @@ use Friendica\Util\DateTimeFormat;
 
 define('FRIENDICA_PLATFORM',     'Friendica');
 define('FRIENDICA_CODENAME',     'Dalmatian Bellflower');
-define('FRIENDICA_VERSION',      '2019.09-dev');
+define('FRIENDICA_VERSION',      '2019.09-rc');
 define('DFRN_PROTOCOL_VERSION',  '2.23');
 define('NEW_UPDATE_ROUTINE_VERSION', 1170);