diff --git a/UPDATING-HardenedBSD b/UPDATING-HardenedBSD
index 6144433c186b..15b6a131278e 100644
--- a/UPDATING-HardenedBSD
+++ b/UPDATING-HardenedBSD
@@ -1,3 +1,9 @@
+[20150715] Fixed vdso randomization
+__HardenedBSD_version = 28
+
+	Fixed and simplified vdso and stack mapping.
+
+
 [20150706] Added shared-page (vdso) randomization
 __HardenedBSD_version = 27
 
diff --git a/sys/sys/pax.h b/sys/sys/pax.h
index 089cb19960bf..9008615ab14a 100644
--- a/sys/sys/pax.h
+++ b/sys/sys/pax.h
@@ -32,7 +32,7 @@
 #ifndef	_SYS_PAX_H
 #define	_SYS_PAX_H
 
-#define	__HardenedBSD_version	27
+#define	__HardenedBSD_version	28
 
 #if defined(_KERNEL) || defined(_WANT_PRISON)
 struct hardening_features {