diff --git a/web/concrete/config/version.php b/web/concrete/config/version.php
index c043f64730..aa22a4093a 100644
--- a/web/concrete/config/version.php
+++ b/web/concrete/config/version.php
@@ -1,3 +1,3 @@
 <?
 defined('C5_EXECUTE') or die("Access Denied.");
-$APP_VERSION = '5.5.2.1a1';
\ No newline at end of file
+$APP_VERSION = '5.5.2.1RC1';
\ No newline at end of file