diff --git a/CHANGELOG.md b/CHANGELOG.md
index 03ab6fb..643cd62 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,11 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](http://keepachangelog.com/) and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## 2.0.0-beta.1 - 2023-06-08
+
+### Added
+- Initial Craft 4 release
+
 ## 1.3.0 - 2019-11-16
 
 Transfer of ownership 👀
diff --git a/composer.json b/composer.json
index 4d962ee..ae0597d 100644
--- a/composer.json
+++ b/composer.json
@@ -2,7 +2,7 @@
     "name": "jalendport/craft-fetch",
     "description": "Utilise the Guzzle HTTP client from within your Craft templates.",
     "type": "craft-plugin",
-    "version": "1.3.0",
+    "version": "2.0.0-beta.1",
     "keywords": [
         "craft",
         "cms",
@@ -27,7 +27,7 @@
         }
     ],
     "require": {
-        "craftcms/cms": "^3.0.0"
+        "craftcms/cms": "^4.0.0"
     },
     "autoload": {
         "psr-4": {
diff --git a/src/Fetch.php b/src/Fetch.php
index f53860e..b4c70a2 100644
--- a/src/Fetch.php
+++ b/src/Fetch.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * Fetch plugin for Craft CMS 3.x
+ * Fetch plugin for Craft CMS 4.x
  *
  * Utilise the Guzzle HTTP client from within your Craft templates.
  *
@@ -10,15 +10,11 @@
 
 namespace jalendport\fetch;
 
-use jalendport\fetch\variables\FetchVariable;
-use jalendport\fetch\twigextensions\FetchTwigExtension;
-
 use Craft;
 use craft\base\Plugin;
-use craft\services\Plugins;
-use craft\events\PluginEvent;
 use craft\web\twig\variables\CraftVariable;
-
+use jalendport\fetch\variables\FetchVariable;
+use jalendport\fetch\twigextensions\FetchTwigExtension;
 use yii\base\Event;
 
 /**
@@ -31,57 +27,37 @@
  */
 class Fetch extends Plugin
 {
-    // Static Properties
-    // =========================================================================
-
-    /**
-     * @var Fetch
-     */
-    public static $plugin;
-
-    // Public Methods
-    // =========================================================================
-
-    /**
-     * @inheritdoc
-     */
-    public function init()
-    {
-        parent::init();
-        self::$plugin = $this;
-
-        Craft::$app->view->registerTwigExtension(new FetchTwigExtension());
-
-        Event::on(
-            CraftVariable::class,
-            CraftVariable::EVENT_INIT,
-            function (Event $event) {
-                /** @var CraftVariable $variable */
-                $variable = $event->sender;
-                $variable->set('fetch', FetchVariable::class);
-            }
-        );
-
-        Event::on(
-            Plugins::class,
-            Plugins::EVENT_AFTER_INSTALL_PLUGIN,
-            function (PluginEvent $event) {
-                if ($event->plugin === $this) {
-                }
-            }
-        );
-
-        Craft::info(
-            Craft::t(
-                'fetch',
-                '{name} plugin loaded',
-                ['name' => $this->name]
-            ),
-            __METHOD__
-        );
-    }
 
-    // Protected Methods
-    // =========================================================================
+	// Public Methods
+	// =========================================================================
+
+	/**
+	 * @inheritdoc
+	 */
+	public function init(): void
+	{
+		parent::init();
+
+		Craft::$app->view->registerTwigExtension(new FetchTwigExtension());
+
+		Event::on(
+			CraftVariable::class,
+			CraftVariable::EVENT_INIT,
+			function (Event $event) {
+				/** @var CraftVariable $variable */
+				$variable = $event->sender;
+				$variable->set('fetch', FetchVariable::class);
+			}
+		);
+
+		Craft::info(
+			Craft::t(
+				'fetch',
+				'{name} plugin loaded',
+				['name' => $this->name]
+			),
+			__METHOD__
+		);
+	}
 
 }
diff --git a/src/twigextensions/FetchTwigExtension.php b/src/twigextensions/FetchTwigExtension.php
index d47ffc8..e8fb21b 100644
--- a/src/twigextensions/FetchTwigExtension.php
+++ b/src/twigextensions/FetchTwigExtension.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * Fetch plugin for Craft CMS 3.x
+ * Fetch plugin for Craft CMS 4.x
  *
  * Utilise the Guzzle HTTP client from within your Craft templates.
  *
@@ -10,56 +10,57 @@
 
 namespace jalendport\fetch\twigextensions;
 
-use jalendport\fetch\Fetch;
-
-use Craft;
+use GuzzleHttp\Client;
+use GuzzleHttp\Exception\GuzzleException;
+use Twig\Extension\AbstractExtension;
+use Twig\TwigFunction;
 
 /**
-* @author    Jalen Davenport
-* @package   Fetch
-* @since     1.1.0
-*/
-class FetchTwigExtension extends \Twig_Extension
+ * @author    Jalen Davenport
+ * @package   Fetch
+ * @since     1.1.0
+ */
+class FetchTwigExtension extends AbstractExtension
 {
-  public function getName()
-  {
-      return 'Fetch';
-  }
+	public function getName(): string
+	{
+		return 'Fetch';
+	}
 
-  public function getFunctions()
-  {
-      return [
-          new \Twig_SimpleFunction('fetch', [$this, 'fetch']),
-      ];
-  }
+	public function getFunctions(): array
+	{
+		return [
+			new TwigFunction('fetch', [$this, 'fetch']),
+		];
+	}
 
-  public function fetch($client, $method, $destination, $request = [], $parseJson = true)
-  {
-      $client = new \GuzzleHttp\Client($client);
+	public function fetch($client, $method, $destination, $request = [], $parseJson = true): array
+	{
+		$client = new Client($client);
 
-      try {
+		try {
 
-        $response = $client->request($method, $destination, $request);
+			$response = $client->request($method, $destination, $request);
 
-        if ($parseJson) {
-            $body = json_decode($response->getBody(), true);
-        } else {
-            $body = (string)$response->getBody();
-        }
+			if ($parseJson) {
+				$body = json_decode($response->getBody(), true);
+			} else {
+				$body = (string)$response->getBody();
+			}
 
-        return [
-          'statusCode' => $response->getStatusCode(),
-          'reason' => $response->getReasonPhrase(),
-          'body' => $body
-        ];
+			return [
+				'statusCode' => $response->getStatusCode(),
+				'reason' => $response->getReasonPhrase(),
+				'body' => $body
+			];
 
-      } catch (\Exception $e) {
+		} catch (GuzzleException $e) {
 
-        return [
-          'error' => true,
-          'reason' => $e->getMessage()
-        ];
+			return [
+				'error' => true,
+				'reason' => $e->getMessage()
+			];
 
-      }
-  }
+		}
+	}
 }
diff --git a/src/variables/FetchVariable.php b/src/variables/FetchVariable.php
index e869ad0..f9f5ee6 100644
--- a/src/variables/FetchVariable.php
+++ b/src/variables/FetchVariable.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * Fetch plugin for Craft CMS 3.x
+ * Fetch plugin for Craft CMS 4.x
  *
  * Utilise the Guzzle HTTP client from within your Craft templates.
  *
@@ -10,9 +10,9 @@
 
 namespace jalendport\fetch\variables;
 
-use jalendport\fetch\Fetch;
-
-use Craft;
+use Exception;
+use GuzzleHttp\Client;
+use GuzzleHttp\Exception\GuzzleException;
 
 /**
  * @author    Jalen Davenport
@@ -21,36 +21,42 @@
  */
 class FetchVariable
 {
-    // Public Methods
-    // =========================================================================
 
-    /**
-     * @param null $optional
-     * @return string
-     */
-    public function request($client, $method, $destination, $request = [])
-    {
+	// Public Methods
+	// =========================================================================
+
+	/**
+	 * @param $client
+	 * @param $method
+	 * @param $destination
+	 * @param array $request
+	 * @return array|string
+	 * @throws GuzzleException
+	 */
+	public function request($client, $method, $destination, array $request = []): array|string
+	{
+
+		$client = new Client($client);
 
-        $client = new \GuzzleHttp\Client($client);
+		try {
 
-        try {
+			$response = $client->request($method, $destination, $request);
 
-          $response = $client->request($method, $destination, $request);
+			return [
+				'statusCode' => $response->getStatusCode(),
+				'reason' => $response->getReasonPhrase(),
+				'body' => json_decode($response->getBody(), true)
+			];
 
-          return [
-            'statusCode' => $response->getStatusCode(),
-            'reason' => $response->getReasonPhrase(),
-            'body' => json_decode($response->getBody(), true)
-          ];
+		} catch (Exception $e) {
 
-        } catch (\Exception $e) {
+			return [
+				'error' => true,
+				'reason' => $e->getMessage()
+			];
 
-          return [
-            'error' => true,
-            'reason' => $e->getMessage()
-          ];
+		}
 
-        }
+	}
 
-    }
 }