diff --git a/src/Makefile.defs b/src/Makefile.defs
index 28c51588d22..0ae2c915f63 100644
--- a/src/Makefile.defs
+++ b/src/Makefile.defs
@@ -106,7 +106,7 @@ INSTALL_FLAVOUR=$(FLAVOUR)
 # version number
 VERSION = 5
 PATCHLEVEL = 0
-SUBLEVEL = 3
+SUBLEVEL = 4
 EXTRAVERSION = 
 
 # memory manager switcher