diff --git a/Makefile b/Makefile
index 3eda4d12d9244f..8a87edbc53bb8c 100644
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,8 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 6
 PATCHLEVEL = 6
-SUBLEVEL = 65
-EXTRAVERSION =
+SUBLEVEL = 66
+EXTRAVERSION = -rc1
 NAME = Pinguïn Aangedreven
 
 # *DOCUMENTATION*