diff --git a/Makefile.defs b/Makefile.defs
index bc358e55e7b..dcfa058a6ba 100644
--- a/Makefile.defs
+++ b/Makefile.defs
@@ -96,7 +96,7 @@ INSTALL_FLAVOUR=$(FLAVOUR)
 # version number
 VERSION = 4
 PATCHLEVEL = 3
-SUBLEVEL = 6
+SUBLEVEL = 7
 EXTRAVERSION = 
 
 # memory manager switcher