diff --git a/config.mk b/config.mk
index 025c65b..43a05d1 100644
--- a/config.mk
+++ b/config.mk
@@ -1 +1,2 @@
-VERSION = $(shell cat release).$(shell cat buildno)
+SECURITY_LEVEL = 0
+VERSION = $(shell cat release).$(shell cat buildno).$(SECURITY_LEVEL)