diff --git a/Sconstruct b/Sconstruct
index bbcaabb9..416dcb2f 100644
--- a/Sconstruct
+++ b/Sconstruct
@@ -1,7 +1,7 @@
 #!/usr/bin/python
 import os
 
-CONFIG_VERSION = "6.4.5"
+CONFIG_VERSION = "6.4.6-rc"
 
 
 # Set up default environment