diff --git a/depot.xml b/depot.xml
index 7730c70..c8e5e2e 100644
--- a/depot.xml
+++ b/depot.xml
@@ -2,14 +2,16 @@
 <extension type="component" method="upgrade">
 	<name>Depot</name>
 	<author>KW4NZ</author>
-	<creationDate>2024-05-26</creationDate>
+	<creationDate>2024-08-31</creationDate>
 	<copyright>(C) KW4NZ Thomas Kuschel</copyright>
 	<license>GPL v2 +; see LICENSE.md</license>
 	<authorEmail>thomas@kuschel.at</authorEmail>
 	<authorUrl>https://kuschel.at</authorUrl>
-	<version>0.9.20</version>
+	<version>0.9.23</version>
 	<description>COM_DEPOT_XML_DESCRIPTION</description>
 	<namespace path="src/">KW4NZ\Component\Depot</namespace>
+	<!-- Runs on install/uninstall/update since 2.5 -->
+	<scriptfile>script.php</scriptfile>
 	<install> <!-- Runs on install -->
 		<sql>
 			<file driver="mysql" charset="utf8">sql/install.mysql.utf8.sql</file>
diff --git a/script.php b/script.php
new file mode 100644
index 0000000..f46957d
--- /dev/null
+++ b/script.php
@@ -0,0 +1,76 @@
+<?php
+/**
+ * @package		Depot.Installation.Script
+ * @subpackage	com_depot
+ * @author		Thomas Kuschel <thomas@kuschel.at>
+ * @copyright	(C) 2024 KW4NZ, <https://www.kuschel.at>
+ * @license		GNU General Public License version 2 or later; see LICENSE.md
+ * @since		0.9.21
+ */
+\defined('_JEXEC') or die;
+/**
+ * Script file of Depot component.
+ *
+ * The name of this class is dependent on the component being installed.
+ * The class name should have the component's name, directly followed by
+ * the text InstallerScript (ex:. com_depotInstallerScript).
+ * 
+ * This class will be called by Joomla's installer, if specified in your component's
+ * manifest file, and is used for custom automation actions in its installation process.
+ * 
+ * In order to use this automation script, you should reference it in your component's
+ * mainfest file as follows:
+ * <scriptfile>script.php</scriptfile>
+ */
+
+use Joomla\CMS\Factory;
+use Joomla\CMS\Installer\InstallerAdapter;
+use Joomla\CMS\Installer\InstallerScriptInterface;
+use Joomla\CMS\Language\Text;
+
+return new class() implements InstallerScriptInterface {
+	private string $minimumJoomla = '4.4.8'; // '5.1.4'
+	private string $minimumPhp = '8.1.29';
+
+	public function install(InstallerAdapter $adapter): bool
+	{
+		echo "component install<br>";
+		return true;
+	}
+
+	public function update(InstallerAdapter $adapter): bool
+	{
+
+		echo "component update<br>";
+		return true;
+	}
+
+	public function uninstall(InstallerAdapter $adapter): bool
+	{
+		echo "component uninstall<br>";
+		return true;
+	}
+
+	public function preflight(string $type, InstallerAdapter $adapter): bool
+	{
+		echo "component preflight<br>";
+
+		if (version_compare(PHP_VERSION, $this->minimumPhp, '<')) {
+			Factory::getApplication()->enqueueMessage(sprintf(Text::_('JLIB_INSTALLER_MINIMUM_PHP'), $this->minimumPhp), 'error');
+			return false;
+		}
+
+		if (version_compare(JVERSION, $this->minimumJoomla, '<')) {
+			Factory::getApplication()->enqueueMessage(sprintf(Text::_('JLIB_INSTALLER_MINIMUM_JOOMLA'), $this->minimumJoomla), 'error');
+			return false;
+		}
+
+		return true;
+	}
+
+	public function postflight(string $type, InstallerAdapter $adapter): bool
+	{
+		echo "component postflight<br>";
+		return true;
+	}
+};
\ No newline at end of file
diff --git a/zip/depot.zip b/zip/depot.zip
index e4e926e..aba7d27 100644
--- a/zip/depot.zip
+++ b/zip/depot.zip
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:683e2cc43097985d24f461fc19520a5dab1bf71e08f7b7197c2486d43d8a1da8
-size 88203
+oid sha256:98e54fa057436193f3ee4362796c66c897bc829111b8b58d6cab03f5f80ea348
+size 89258