Set Gerrit to 2.16.28

Change-Id: I1d284a330ca836d5f0feaae22010c1060ee86455
diff --git a/docker/centos7/Makefile b/docker/centos7/Makefile
index 78fc3b3..3d2e446 100644
--- a/docker/centos7/Makefile
+++ b/docker/centos7/Makefile
@@ -1,7 +1,7 @@
 # Customise the following variable as Make parameters
 # to produce a yum.repo for a VENDOR distribution
 # Default values are pointing to GerritForge (www.gerritforge.com)
-VERSION=2.16.27
+VERSION=2.16.28
 RELEASE=1
 REPO_VERSION=1
 REPO_RELEASE=1
diff --git a/docker/ubuntu16.04/Makefile b/docker/ubuntu16.04/Makefile
index 06486b5..4ac2479 100644
--- a/docker/ubuntu16.04/Makefile
+++ b/docker/ubuntu16.04/Makefile
@@ -1,7 +1,7 @@
 # Customise the following variable as Make parameters
 # to produce a yum.repo for a VENDOR distribution
 # Default values are pointing to GerritForge (www.gerritforge.com)
-VERSION=2.16.27
+VERSION=2.16.28
 RELEASE=1
 VENDOR=GerritForge
 VENDOR_LC=$(shell echo $(VENDOR) | tr A-Z a-z)
diff --git a/fpm/Makefile b/fpm/Makefile
index b802bfa..59971a7 100644
--- a/fpm/Makefile
+++ b/fpm/Makefile
@@ -1,5 +1,5 @@
-VERSION=2.16.27
-WAR_VERSION=2.16.27
+VERSION=2.16.28
+WAR_VERSION=2.16.28
 URL=https://gerrit-releases.storage.googleapis.com/gerrit-$(WAR_VERSION).war
 CI_URL=https://gerrit-ci.gerritforge.com
 RELEASE=1
diff --git a/macOS/Makefile b/macOS/Makefile
index 3942464..d8cd953 100644
--- a/macOS/Makefile
+++ b/macOS/Makefile
@@ -1,4 +1,4 @@
-VERSION := 2.16.27
+VERSION := 2.16.28
 
 all: server