diff --git a/Classes/Command/FetchWebsiteCommand.php b/Classes/Command/FetchWebsiteCommand.php
new file mode 100644
index 0000000..8fa79e3
--- /dev/null
+++ b/Classes/Command/FetchWebsiteCommand.php
@@ -0,0 +1,44 @@
+<?php
+
+namespace VV\T3fetch\Command;
+
+use TYPO3\CMS\Core\Core\Environment;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+class FetchWebsiteCommand extends Command
+{
+    /**
+     * Configure the command by defining the name, options and arguments
+     */
+    protected function configure()
+    {
+        $this
+            ->setDescription('Fetches a website (including all subpages), so the TYPO3 cache gets filled.')
+            ->addArgument(
+                'baseUrl',
+                InputArgument::REQUIRED,
+                'The base url.'
+            );;
+    }
+
+    /**
+     * @param InputInterface $input
+     * @param OutputInterface $output
+     */
+    protected function execute(InputInterface $input, OutputInterface $output)
+    {
+        $fetchDirectory = Environment::getPublicPath() . '/typo3temp/t3fetch';
+
+        // Remove fetch directory
+        exec('rm -rf ' . $fetchDirectory);
+
+        // Create fetch directory
+        exec('mkdir ' . $fetchDirectory);
+
+        // Fetch website recursively
+        exec('wget -q -r ' . $input->getArgument('baseUrl') . ' -P ' . $fetchDirectory);
+    }
+}
diff --git a/Classes/Command/FetchWebsiteCommandController.php b/Classes/Command/FetchWebsiteCommandController.php
deleted file mode 100644
index edf42f5..0000000
--- a/Classes/Command/FetchWebsiteCommandController.php
+++ /dev/null
@@ -1,37 +0,0 @@
-<?php
-
-namespace VV\T3fetch\Command;
-
-use TYPO3\CMS\Extbase\Mvc\Controller\CommandController;
-
-class FetchWebsiteCommandController extends CommandController
-{
-    /**
-     * @param string $baseUrl
-     */
-    public function fetchAllCommand($baseUrl)
-    {
-        $fetchDirectory = PATH_site . 'typo3temp/t3fetch';
-
-        // Remove fetch directory
-        $this->exec('rm -r -f ' . $fetchDirectory);
-
-        // Create fetch directory
-        $this->exec('mkdir ' . $fetchDirectory);
-
-        // Fetch website recursively
-        $this->exec('wget -q -r ' . $baseUrl . ' -P ' . $fetchDirectory);
-    }
-
-    /**
-     * @param string $command
-     */
-    private function exec($command)
-    {
-        exec($command, $output);
-        $this->output(implode("\n", $output));
-
-        // Removes % at the end of the output
-        $this->outputLine("\r");
-    }
-}
diff --git a/Configuration/Commands.php b/Configuration/Commands.php
new file mode 100644
index 0000000..59cc3e9
--- /dev/null
+++ b/Configuration/Commands.php
@@ -0,0 +1,8 @@
+<?php
+
+return [
+    'fetchWebsite:fetchAll' => [
+        'class' => \VV\T3fetch\Command\FetchWebsiteCommand::class,
+        'schedulable' => true,
+    ],
+];
diff --git a/README.md b/README.md
index a7fa6d4..b953381 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@ Fetches a website (including all subpages), so the TYPO3 cache gets filled.
 
 ## How to use
 1. Install TYPO3 extension via [composer](https://packagist.org/packages/visuellverstehen/t3fetch), [TER](https://extensions.typo3.org/extension/t3fetch/) or download and install manually.
-2. Call command `fetchWebsite:fetchAll` via CLI or add scheduler task.
+2. Call command `fetchWebsite:fetchAll` via CLI or add scheduler task (_Execute console commands_ and then select `fetchWebsite:fetchAll`).
 
 ## Requirements
 - Wget needs to be installed.
diff --git a/composer.json b/composer.json
index 97687b5..6632a13 100644
--- a/composer.json
+++ b/composer.json
@@ -17,8 +17,8 @@
         }
     ],
     "require": {
-        "typo3/cms-core": ">=7.6 <=9.5",
-        "php": "^7.0.0"
+        "typo3/cms-core": ">=8.7 <=9.5",
+        "php": "^7.1.0"
     },
     "autoload": {
         "psr-4": {
diff --git a/ext_emconf.php b/ext_emconf.php
index e2ceb04..a726a8b 100644
--- a/ext_emconf.php
+++ b/ext_emconf.php
@@ -7,12 +7,12 @@
     'author' => 'visuellverstehen',
     'author_email' => 'kontakt@visuellverstehen.de',
     'author_company' => 'visuellverstehen',
-    'state' => 'beta',
+    'state' => 'stable',
     'clearCacheOnLoad' => false,
-    'version' => '0.2.0',
+    'version' => '1.0.0',
     'constraints' => [
         'depends' => [
-            'typo3' => '7.6.0-9.5.99',
+            'typo3' => '8.7.0-9.5.99',
         ]
     ]
 ];
diff --git a/ext_localconf.php b/ext_localconf.php
deleted file mode 100644
index 0931580..0000000
--- a/ext_localconf.php
+++ /dev/null
@@ -1,9 +0,0 @@
-<?php
-
-if (!defined('TYPO3_MODE')) {
-    die('Access denied.');
-}
-
-if (TYPO3_MODE === 'BE') {
-    $GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['extbase']['commandControllers'][] = \VV\T3fetch\Command\FetchWebsiteCommandController::class;
-}