diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2c355dc..039de9f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,12 @@
 # Changelog
+
+## 1.0.0 (unreleased)
+
+**Breaking changes:** This version drops puppet 3 support!
+
+* Fix hard coded user/group names in config manifest (#23)
+* migrate from stdlib validation to puppet datatypes (#24)
+
 ## 0.6.0
 * Updated README
 * fixed broken links, due to github organisation rename
diff --git a/Gemfile b/Gemfile
index 4a8607b..8fb67e6 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,6 @@
 source 'https://rubygems.org'
 
-ENV['PUPPET_VERSION'].nil? ? puppetversion = '~> 4.0' : puppetversion = ENV['PUPPET_VERSION'].to_s
+ENV['PUPPET_VERSION'].nil? ? puppetversion = '~> 4.6' : puppetversion = ENV['PUPPET_VERSION'].to_s
 gem 'puppet', puppetversion
 gem 'puppetlabs_spec_helper', '>= 0.8.2'
 gem 'puppet-lint', '>= 1.0.0'
diff --git a/README.md b/README.md
index eb5d093..28b8b00 100644
--- a/README.md
+++ b/README.md
@@ -263,14 +263,14 @@ This module gives you the possibility to install plugins as gem or files.
 ### Requirements
 
 Modules:
-* puppetlabs/apt >= 1.8.0 < 3.0.0
+* puppetlabs/apt >= 4.0.0
 
 ## Limitations
-This module has been built on and tested against Puppet 3.7.5 and higher.
+This module has been built on and tested against Puppet 4.6 and higher.
 
 The module has been tested on:
 
-* Ubuntu 12.04
+* Ubuntu 16.04
 
 Testing on other platforms has been light and cannot be guaranteed.
 
@@ -285,8 +285,8 @@ To run the tests install the ruby dependencies with `bundler` and execute
 bundle install --path vendor/bundle
 bundle exec rake spec
 bundle exec rake lint
-bundle exec rake beaker BEAKER_set=ubuntu-server-1204-x64
 bundle exec rake beaker BEAKER_set=ubuntu-server-1404-x64
+bundle exec rake beaker BEAKER_set=ubuntu-server-1604-x64
 bundle exec rake beaker BEAKER_set=debian-60-x64
 bundle exec rake beaker BEAKER_set=debian-78-x64
 bundle exec rake beaker BEAKER_set=debian-82-x64
diff --git a/metadata.json b/metadata.json
index 24e4153..fbc4eef 100644
--- a/metadata.json
+++ b/metadata.json
@@ -1,17 +1,17 @@
 {
-  "name": "wywygmbh-fluentd",
-  "version": "0.6.0",
+  "name": "wycore-fluentd",
+  "version": "1.0.0",
   "author": "wywy",
   "summary": "Generic module for fluentd (td-agent).",
   "license": "Apache-2.0",
-  "source": "https://github.com/wywy/puppet-fluentd",
-  "project_page": "https://github.com/wywy/puppet-fluentd",
-  "issues_url": "https://github.com/wywy/puppet-fluentd/issues",
+  "source": "https://github.com/wycore/puppet-fluentd",
+  "project_page": "https://github.com/wycore/puppet-fluentd",
+  "issues_url": "https://github.com/wycore/puppet-fluentd/issues",
   "tags": ["fluentd", "td-agent"],
   "operatingsystem_support": [
     {
       "operatingsystem": "Ubuntu",
-      "operatingsystemrelease": [ "14.04", "12.04" ]
+      "operatingsystemrelease": [ "16.04", "14.04" ]
     },
     {
       "operatingsystem": "Debian",
@@ -24,7 +24,7 @@
   ],
   "dependencies": [
     { "name": "puppetlabs/stdlib", "version_requirement": ">= 4.6.0 < 5.0.0" },
-    { "name": "puppetlabs/apt", "version_requirement": ">= 2.0.0 < 3.0.0" }
+    { "name": "puppetlabs/apt", "version_requirement": ">= 4.0.0" }
   ],
   "data_provider": null
 }