diff --git a/Makefile b/Makefile
index d7ec0be4cd79..691711307a38 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@
 VERSION = 5
 PATCHLEVEL = 10
 SUBLEVEL = 212
-EXTRAVERSION =
+EXTRAVERSION = -hardened1
 NAME = Dare mighty things
 
 # *DOCUMENTATION*