diff --git a/Sconstruct b/Sconstruct
index d08fd5da..b6e66ab2 100644
--- a/Sconstruct
+++ b/Sconstruct
@@ -1,7 +1,7 @@
 #!/usr/bin/python
 import os
 
-CONFIG_VERSION = "6.4.1"
+CONFIG_VERSION = "6.4.2-rc"
 
 
 # Set up default environment