diff --git a/migrations/container/20240508154620_site-command_add_ext_config_8.1.php b/migrations/container/20240508154620_site-command_add_ext_config_8.1.php
new file mode 100644
index 00000000..88d08f58
--- /dev/null
+++ b/migrations/container/20240508154620_site-command_add_ext_config_8.1.php
@@ -0,0 +1,153 @@
+<?php
+
+namespace EE\Migration;
+
+use EE;
+use EE\Migration\Base;
+use EE\RevertableStepProcessor;
+use EE\Model\Site;
+
+class AddExtConfig8_1 extends Base {
+
+	private $sites;
+	/** @var RevertableStepProcessor $rsp Keeps track of migration state. Reverts on error */
+	private static $rsp;
+
+	public function __construct() {
+
+		parent::__construct();
+		$this->sites = Site::all();
+		if ( $this->is_first_execution || ! $this->sites ) {
+			$this->skip_this_migration = true;
+		}
+	}
+
+	public function remove_extension( $config_file_tmp, $config_site_path ) {
+		if ( $this->fs->exists( $config_file_tmp ) ) {
+			$this->fs->remove( $config_file_tmp );
+		}
+
+		if ( $this->fs->exists( $config_site_path ) ) {
+			$this->fs->remove( $config_site_path );
+		}
+	}
+
+	public function add_extension( $file_name, $extension_name, $site_fs_path ) {
+
+		$config_file_tmp = EE\Utils\trailingslashit( EE_BACKUP_DIR ) . $file_name;
+		$this->fs->dumpFile( $config_file_tmp, "extension=$extension_name" );
+
+		$config_site_path = $site_fs_path . '/config/php/php/conf.d/' . $file_name;
+
+		self::$rsp->add_step(
+			"to-$site_fs_path-add-$file_name",
+			'EE\Migration\SiteContainers::backup_restore',
+			[ $this, 'remove_extension' ],
+			[ $config_file_tmp, $config_site_path ],
+			[ $config_file_tmp, $config_site_path ]
+		);
+
+		if ( ! self::$rsp->execute() ) {
+			throw new \Exception( 'Unable to run add-ext-config-8.1 upadte migrations.' );
+		}
+
+		$this->fs->remove( $config_file_tmp );
+
+	}
+
+	/**
+	 * Execute php config updates.
+	 *
+	 * @throws EE\ExitException
+	 */
+	public function up() {
+
+		if ( $this->skip_this_migration ) {
+			EE::debug( 'Skipping add-ext-config-8.1 update migration as it is not needed.' );
+
+			return;
+		}
+		self::$rsp = new RevertableStepProcessor();
+
+		foreach ( $this->sites as $site ) {
+
+			if ( ! in_array( $site->site_type, [ 'php', 'wp' ], true ) ) {
+				continue;
+			}
+
+			if ( $site->php_version != '8.1' ) {
+				continue;
+			}
+
+			EE::debug( "Found site: $site->site_url of type: $site->site_type" );
+			EE::debug( "Starting add-ext-config-8.1 updates for: $site->site_url" );
+
+			$this->add_extension(
+				'docker-php-ext-timezonedb.ini',
+				'timezonedb',
+				$site->site_fs_path
+			);
+
+			$this->add_extension(
+				'docker-php-ext-apcu.ini',
+				'apcu',
+				$site->site_fs_path
+			);
+
+			$this->add_extension(
+				'docker-php-ext-mcrypt.ini',
+				'mcrypt',
+				$site->site_fs_path
+			);
+
+			$this->add_extension(
+				'docker-php-ext-redis.ini',
+				'redis',
+				$site->site_fs_path
+			);
+
+		}
+	}
+
+	/**
+	 * Bring back the existing old php config.
+	 *
+	 * @throws EE\ExitException
+	 */
+	public function down() {
+
+		if ( $this->skip_this_migration ) {
+			EE::debug( 'Skipping add-ext-config-8.1 update migration as it is not needed.' );
+
+			return;
+		}
+
+		foreach ( $this->sites as $site ) {
+
+			if ( ! in_array( $site->site_type, [ 'php', 'wp' ], true ) ) {
+				continue;
+			}
+
+			if ( '8.1' != $site->php_version ) {
+				continue;
+			}
+
+			EE::debug( "Reverting add-ext-config updates for: $site->site_url" );
+
+			$configs = [
+				$site->site_fs_path . '/config/php/php/conf.d/docker-php-ext-timezonedb.ini',
+				$site->site_fs_path . '/config/php/php/conf.d/docker-php-ext-apcu.ini',
+				$site->site_fs_path . '/config/php/php/conf.d/docker-php-ext-mcrypt.ini',
+				$site->site_fs_path . '/config/php/php/conf.d/docker-php-ext-redis.ini',
+			];
+
+			foreach ( $configs as $config ) {
+
+				if ( $this->fs->exists( $config ) ) {
+					$this->fs->remove( $config );
+				}
+			}
+		}
+	}
+
+}