diff --git a/wp-includes/kses.php b/wp-includes/kses.php
index 5766beb92f..8722176718 100644
--- a/wp-includes/kses.php
+++ b/wp-includes/kses.php
@@ -2277,7 +2277,8 @@ function kses_init() {
  *              nested `var()` values, and assigning values to CSS variables.
  *              Added support for `object-fit`, `gap`, `column-gap`, `row-gap`, and `flex-wrap`.
  *              Extended `margin-*` and `padding-*` support for logical properties.
- * @since 6.2.0 Added support for `position`, `top`, `right`, `bottom`, `left` and `z-index` position CSS properties.
+ * @since 6.2.0 Added support for `aspect-ratio`, `position`, `top`, `right`, `bottom`, `left`,
+ *              and `z-index` CSS properties.
  *
  * @param string $css        A string of CSS rules.
  * @param string $deprecated Not used.
@@ -2445,6 +2446,7 @@ function safecss_filter_attr( $css, $deprecated = '' ) {
 			'bottom',
 			'left',
 			'z-index',
+			'aspect-ratio',
 
 			// Custom CSS properties.
 			'--*',
diff --git a/wp-includes/version.php b/wp-includes/version.php
index d5c09ffec6..be28350a99 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.2-beta1-55308';
+$wp_version = '6.2-beta1-55309';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.