diff --git a/version.php b/version.php
index 3b045829a50f6..28a66f3d2cc16 100644
--- a/version.php
+++ b/version.php
@@ -29,10 +29,10 @@
 // between betas, final and RCs. This is _not_ the public version number. Reset minor/patchlevel
 // when updating major/minor version number.
 
-$OC_Version = array(15, 0, 5, 3);
+$OC_Version = array(15, 0, 6, 0);
 
 // The human readable string
-$OC_VersionString = '15.0.5';
+$OC_VersionString = '15.0.6 RC 1';
 
 $OC_VersionCanBeUpgradedFrom = [
 	'nextcloud' => [