diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4ebe572..ac47340 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,22 @@ All notable changes to this project will be documented in this file.
 Each new release typically also includes the latest modulesync defaults.
 These should not affect the functionality of the module.
 
+## [v2.0.0](https://github.com/voxpupuli/puppet-wireguard/tree/v2.0.0) (2022-08-14)
+
+[Full Changelog](https://github.com/voxpupuli/puppet-wireguard/compare/v1.1.0...v2.0.0)
+
+**Breaking changes:**
+
+- Move preshared\_key from interface to peer configuration [\#51](https://github.com/voxpupuli/puppet-wireguard/pull/51) ([hashworks](https://github.com/hashworks))
+
+**Implemented enhancements:**
+
+- Add wg quick as another provider for interfaces [\#54](https://github.com/voxpupuli/puppet-wireguard/pull/54) ([sebastianrakel](https://github.com/sebastianrakel))
+
+**Fixed bugs:**
+
+- Throw warning instead of fail if peers is empty  [\#55](https://github.com/voxpupuli/puppet-wireguard/pull/55) ([sebastianrakel](https://github.com/sebastianrakel))
+
 ## [v1.1.0](https://github.com/voxpupuli/puppet-wireguard/tree/v1.1.0) (2022-08-03)
 
 [Full Changelog](https://github.com/voxpupuli/puppet-wireguard/compare/v1.0.0...v1.1.0)
diff --git a/REFERENCE.md b/REFERENCE.md
index 225bced..e9a877a 100644
--- a/REFERENCE.md
+++ b/REFERENCE.md
@@ -10,8 +10,15 @@
 
 ### Defined types
 
+#### Public Defined types
+
 * [`wireguard::interface`](#wireguardinterface): manages a wireguard setup
 
+#### Private Defined types
+
+* `wireguard::provider::systemd`: Manage the systemd components of a wireguard setup
+* `wireguard::provider::wgquick`: Manage the wg quick components of a wireguard setup
+
 ### Data types
 
 * [`Wireguard::Peers`](#wireguardpeers): custom data type for an array with wireguard peers
@@ -131,7 +138,6 @@ wireguard::interface {'as2273':
 wireguard::interface {'as3668-2':
   source_addresses      => ['144.76.249.220', '2a01:4f8:171:1152::12'],
   public_key            => 'Tci/bHoPCjTpYv8bw17xQ7P4OdqzGpEN+NDueNjUvBA=',
-  preshared_key         => '/22q9I+RpWRsU+zshW8skv1p00TvnEE6fTvPJuI2Cp4=',
   endpoint              => 'router02.bastelfreak.org:1338',
   dport                 => 1338,
   input_interface       => $facts['networking']['primary'],
@@ -141,7 +147,7 @@ wireguard::interface {'as3668-2':
   mtu                   => 1412,
 ```
 
-##### create a wireguard interface with multiple peers
+##### create a wireguard interface with multiple peers where one uses a preshared key
 
 ```puppet
 wireguard::interface { 'wg0':
@@ -150,6 +156,7 @@ wireguard::interface { 'wg0':
   peers     => [
     {
        public_key  => 'foo==',
+       preshared_key => '/22q9I+RpWRsU+zshW8skv1p00TvnEE6fTvPJuI2Cp4=',
        allowed_ips => ['192.0.2.2'],
     },
     {
@@ -165,6 +172,7 @@ wireguard::interface { 'wg0':
 The following parameters are available in the `wireguard::interface` defined type:
 
 * [`interface`](#interface)
+* [`ensure`](#ensure)
 * [`input_interface`](#input_interface)
 * [`manage_firewall`](#manage_firewall)
 * [`dport`](#dport)
@@ -180,6 +188,7 @@ The following parameters are available in the `wireguard::interface` defined typ
 * [`routes`](#routes)
 * [`private_key`](#private_key)
 * [`preshared_key`](#preshared_key)
+* [`provider`](#provider)
 
 ##### <a name="interface"></a>`interface`
 
@@ -189,6 +198,14 @@ the title of the defined resource, will be used for the wg interface
 
 Default value: `$title`
 
+##### <a name="ensure"></a>`ensure`
+
+Data type: `Enum['present', 'absent']`
+
+will ensure that the files for the provider will be present or absent
+
+Default value: `'present'`
+
 ##### <a name="input_interface"></a>`input_interface`
 
 Data type: `String[1]`
@@ -305,10 +322,18 @@ Default value: ``undef``
 
 Data type: `Optional[String[1]]`
 
-Define preshared key which should be used for this interface
+Define preshared key for the remote peer
 
 Default value: ``undef``
 
+##### <a name="provider"></a>`provider`
+
+Data type: `Enum['systemd', 'wgquick']`
+
+The specific backend to use for this `wireguard::interface` resource
+
+Default value: `'systemd'`
+
 ## Data types
 
 ### <a name="wireguardpeers"></a>`Wireguard::Peers`
@@ -323,6 +348,7 @@ Alias of
 ```puppet
 Array[Struct[{
     public_key           => String[1],
+    preshared_key        => Optional[String[1]],
     allowed_ips          => Optional[Array[String[1]]],
     endpoint             => Optional[String[1]],
     persistent_keepalive => Optional[Stdlib::Port],
diff --git a/metadata.json b/metadata.json
index 5521bb4..9938d80 100644
--- a/metadata.json
+++ b/metadata.json
@@ -1,6 +1,6 @@
 {
   "name": "puppet-wireguard",
-  "version": "1.1.1-rc0",
+  "version": "2.0.0",
   "author": "Vox Pupuli",
   "summary": "installs, configures, and manages wireguard",
   "license": "AGPL-3.0",