diff --git a/Rules.mak b/Rules.mak
index c1a61e30c..b142ee41f 100644
--- a/Rules.mak
+++ b/Rules.mak
@@ -15,7 +15,7 @@ PROG      := busybox
 MAJOR_VERSION   :=1
 MINOR_VERSION   :=1
 SUBLEVEL_VERSION:=0
-EXTRAVERSION    :=-pre1
+EXTRAVERSION    :=-rc1
 VERSION   :=$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL_VERSION)$(EXTRAVERSION)
 BUILDTIME := $(shell TZ=UTC date -u "+%Y.%m.%d-%H:%M%z")