diff --git a/Sconstruct b/Sconstruct
index 7095700d..46d987e2 100644
--- a/Sconstruct
+++ b/Sconstruct
@@ -3,8 +3,8 @@
 MAJOR = 5
 MINOR = 3
 BUG   = 0
-EXTRA = ""
-DEBUG = True
+EXTRA = "rc1"
+DEBUG = False
 
 PREFIX = "/usr"