diff --git a/UPDATING b/UPDATING
index d5088a1e543..8a23d146260 100644
--- a/UPDATING
+++ b/UPDATING
@@ -16,6 +16,10 @@ from older versions of FreeBSD, try WITHOUT_CLANG and WITH_GCC to bootstrap to
 the tip of head, and then rebuild without this option. The bootstrap process
 from older version of current across the gcc/clang cutover is a bit fragile.
 
+20180806	p12	FreeBSD-SA-18:08.tcp
+
+	Fix resource exhaustion in TCP reassembly.
+
 20180621	p11	FreeBSD-SA-18:07.lazyfpu
 			FreeBSD-EN-18:07.pmap
 
diff --git a/sys/conf/newvers.sh b/sys/conf/newvers.sh
index 326fdd86e5d..0f509fc76f7 100644
--- a/sys/conf/newvers.sh
+++ b/sys/conf/newvers.sh
@@ -44,7 +44,7 @@
 
 TYPE="FreeBSD"
 REVISION="11.1"
-BRANCH="RELEASE-p11"
+BRANCH="RELEASE-p12"
 if [ -n "${BRANCH_OVERRIDE}" ]; then
 	BRANCH=${BRANCH_OVERRIDE}
 fi