diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9299a26..06b09e8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,34 +1,41 @@
 # Changelog
 All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [4.0.0]
+### Added
+- Support management of multiple memcached instances (systemd required!) #120
+- Add FreeBSD to list of supported operatingsystems
+### Removed
+- Drop support for Puppet 4 (EOL) #116
+
 ## [3.7.0]
 ### Added
 - Add support to set TLS parameters in /etc/sysconfig/memcached (#113)
 ### Fixed
 - Make ssl_ca_cert optional (#112)
 
 ## [3.6.0]
 ### Added
 - Add TLS support (#109)
 
 ## [3.5.0]
 ### Fixed
 - allow FreeBSD to set max memory (#104)
 ### Changed
 - Dependencies updated (#107)
 - Better FreeBSD tests
 
 ## [3.4.0]
 ### Fixed
 - factor should be a string or number, not boolean
 ### Added
 - Add Puppet 6 to travis checks
 ### Changed
 - Update Puppet version requirement to include version 6 (< 7.0.0)
 - Unpin firewall module in fixtures
 - Require puppetlabs_spec_helper >= 2.11.0
 ### Removed
 - Drop Ruby 2.1 from travis checks
diff --git a/metadata.json b/metadata.json
index cc1266e..b38d29c 100644
--- a/metadata.json
+++ b/metadata.json
@@ -1,63 +1,66 @@
 {
   "name": "saz-memcached",
-  "version": "3.7.0",
+  "version": "4.0.0",
   "author": "saz",
   "summary": "Manage memcached via Puppet",
   "license": "Apache-2.0",
   "source": "git://github.com/saz/puppet-memcached.git",
   "project_page": "https://github.com/saz/puppet-memcached",
   "issues_url": "https://github.com/saz/puppet-memcached/issues",
   "description": "Manage memcached via Puppet",
   "requirements": [
     {"name":"puppet","version_requirement":">= 5.5.8 < 7.0.0" }
   ],
   "dependencies": [
     {"name":"puppetlabs/stdlib","version_requirement":">= 4.13.1 < 7.0.0"},
     {"name":"puppetlabs/firewall","version_requirement":">= 0.1.0 < 3.0.0"},
     {"name":"camptocamp/systemd","version_requirement":">= 2.10.0 < 3.0.0"},
     {"name":"puppet/selinux","version_requirement":">= 3.2.0 < 4.0.0"}
   ],
   "operatingsystem_support": [
     {
       "operatingsystem": "RedHat",
       "operatingsystemrelease": [
         "7"
       ]
     },
     {
       "operatingsystem": "CentOS",
       "operatingsystemrelease": [
         "7"
       ]
     },
     {
       "operatingsystem": "OracleLinux",
       "operatingsystemrelease": [
         "7"
       ]
     },
     {
       "operatingsystem": "Scientific",
       "operatingsystemrelease": [
         "7"
       ]
     },
     {
       "operatingsystem": "Debian",
       "operatingsystemrelease": [
         "9",
         "10"
       ]
     },
     {
       "operatingsystem": "Ubuntu",
       "operatingsystemrelease": [
         "18.04",
         "20.04"
       ]
     },
     {
       "operatingsystem": "Windows"
+    },
+    {
+      "operatingsystem": "FreeBSD"
     }
   ]
 }