diff --git a/Sconstruct b/Sconstruct
index 1aa244be..d1693117 100644
--- a/Sconstruct
+++ b/Sconstruct
@@ -1,7 +1,7 @@
 #!/usr/bin/python
 import os
 
-CONFIG_VERSION = "6.4.18"
+CONFIG_VERSION = "6.4.19-rc"
 
 
 # Set up default environment