diff --git a/version.php b/version.php
index 332dc686cc..dd0e1c246d 100644
--- a/version.php
+++ b/version.php
@@ -30,10 +30,10 @@
 // between betas, final and RCs. This is _not_ the public version number. Reset minor/patchlevel
 // when updating major/minor version number.
 
-$OC_Version = [21, 0, 0, 15];
+$OC_Version = [21, 0, 0, 16];
 
 // The human readable string
-$OC_VersionString = '21.0.0 beta8';
+$OC_VersionString = '21.0.0 RC1';
 
 $OC_VersionCanBeUpgradedFrom = [
 	'nextcloud' => [