diff --git a/src/PHP.php b/src/PHP.php
index 64a7807..e155e6d 100644
--- a/src/PHP.php
+++ b/src/PHP.php
@@ -81,7 +81,7 @@ public function __construct() {
 	 * : Create separate db container instead of using global db.
 	 *
 	 * [--php=<php-version>]
-	 * : PHP version for site. Currently only supports PHP 5.6, 7.0, 7.2, 7.3, 7.4, 8.0, 8.1, 8.2, 8.3, and latest.
+	 * : PHP version for site. Currently only supports PHP 5.6, 7.0, 7.2, 7.3, 7.4, 8.0, 8.1, 8.2, 8.3, 8.4 and latest.
 	 * ---
 	 * default: latest
 	 * options:
@@ -94,6 +94,7 @@ public function __construct() {
 	 *	- 8.1
 	 *	- 8.2
 	 *	- 8.3
+	 *	- 8.4
 	 *	- latest
 	 * ---
 	 *
@@ -228,7 +229,7 @@ public function create( $args, $assoc_args ) {
 		}
 		$this->site_data['alias_domains'] = substr( $this->site_data['alias_domains'], 0, - 1 );
 
-		$supported_php_versions = [ 5.6, 7.0, 7.2, 7.3, 7.4, 8.0, 8.1, 8.2, 8.3, 'latest' ];
+		$supported_php_versions = [ 5.6, 7.0, 7.2, 7.3, 7.4, 8.0, 8.1, 8.2, 8.3, 8.4, 'latest' ];
 		if ( ! in_array( $this->site_data['php_version'], $supported_php_versions ) ) {
 			$old_version = $this->site_data['php_version'];
 			$floor       = (int) floor( $this->site_data['php_version'] );