diff --git a/Makefile b/Makefile
index 39be1bbd373a373837b7401c39bcd5cd3c367477..79fab0d552180d84be38055c65291542a0fc81af 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 VERSION = 4
 PATCHLEVEL = 1
-SUBLEVEL = 20
+SUBLEVEL = 21
 EXTRAVERSION =
 NAME = Series 4800