diff --git a/UPDATING b/UPDATING
index 3a1a923ac228..479e01b89ce3 100644
--- a/UPDATING
+++ b/UPDATING
@@ -5,6 +5,19 @@ they are unavoidable.
 You should get into the habit of checking this file for changes each time
 you update your ports collection, before attempting any port upgrades.
 
+20110605:
+  AFFECTS: users of sysutils/zfsnap
+  AUTHOR: Aldis Berjoza <aldis@bsdroot.lv>
+
+  There is an issue with zpool v28 (currently only on 9-CURRENT, or
+  8-STABLE systems that have been manually patched) that affects
+  zfSnap. If you are using v28 make sure to use the -zpool28fix flag
+  with zfsnap to work around the problem.
+
+  For more information please see:
+
+  http://wiki.bsdroot.lv/zfsnap#zpool_v28_zfs_destroy_-r_bug
+
 20110602:
   AFFECTS: users of net/freeradius
   AUTHOR: Sevan Janiyan <venture37@geeklan.co.uk>
diff --git a/sysutils/zfsnap/Makefile b/sysutils/zfsnap/Makefile
index 8a7d20c88e0e..b9557465d036 100644
--- a/sysutils/zfsnap/Makefile
+++ b/sysutils/zfsnap/Makefile
@@ -6,7 +6,7 @@
 #
 
 PORTNAME=	zfsnap
-PORTVERSION=	1.9.4
+PORTVERSION=	1.10.0
 CATEGORIES=	sysutils
 MASTER_SITES=	http://files.bsdroot.lv/my/FreeBSD/distfiles/
 DISTNAME=	zfSnap-${PORTVERSION}
@@ -16,7 +16,7 @@ COMMENT=	Simple sh script to make zfs rolling snaphosts with cron
 
 NO_BUILD=	yes
 WRKSRC=		${WRKDIR}/zfSnap-${REV}
-REV=		55cdedfce678
+REV=		cc881751ad16
 
 PERIODICDIR?=	${PREFIX}/etc/periodic
 PLIST_SUB+=	PERIODICDIR="${PERIODICDIR:S,^${PREFIX}/,,}"
diff --git a/sysutils/zfsnap/distinfo b/sysutils/zfsnap/distinfo
index c7e178b271f7..1ebb9f7fe90c 100644
--- a/sysutils/zfsnap/distinfo
+++ b/sysutils/zfsnap/distinfo
@@ -1,2 +1,2 @@
-SHA256 (zfSnap-1.9.4.tar.gz) = 759220693320aba671aadfc302b2b3e4959fb787e02017512d894c840040b8e2
-SIZE (zfSnap-1.9.4.tar.gz) = 4988
+SHA256 (zfSnap-1.10.0.tar.gz) = 69fef45b676533355fbf7e0f438316a19e0e0a0a91ffbc130de24645df20bda3
+SIZE (zfSnap-1.10.0.tar.gz) = 5234