diff --git a/Addon.ini b/Addon.ini
index de82517..7f8d55a 100644
--- a/Addon.ini
+++ b/Addon.ini
@@ -2,4 +2,4 @@
 
 Addon_Name		= 'Typesetter Core'
 Addon_Unique_ID		= 40
-Addon_Version		= 5.3-p8 b3
\ No newline at end of file
+Addon_Version		= 5.3-p8 RC1
\ No newline at end of file
diff --git a/include/common.php b/include/common.php
index 423b486..a29cd84 100644
--- a/include/common.php
+++ b/include/common.php
@@ -50,7 +50,7 @@ gp_defined('CMS_NAME_FULL',				'Typesetter CMS');
 gp_defined('addon_browse_path',			CMS_DOMAIN . '/index.php');
 gp_defined('debug_path',				CMS_DOMAIN . '/index.php/Debug');
 
-gp_defined('gpversion',					'5.3-p8 b3');
+gp_defined('gpversion',					'5.3-p8 RC1');
 gp_defined('gp_random',					\gp\tool::RandomString());