diff --git a/wp-includes/post-template.php b/wp-includes/post-template.php
index 99ec81deb4..89ab67a675 100644
--- a/wp-includes/post-template.php
+++ b/wp-includes/post-template.php
@@ -560,7 +560,7 @@ function get_post_class( $class = '', $post = null ) {
 	 * @param string[] $classes    An array of post class names.
 	 * @param string[] $class      An array of additional class names added to the post.
 	*/
-	$taxonomies = apply_filters( 'wp_post_class_taxonomies', $taxonomies, $post->ID, $classes, $class );
+	$taxonomies = apply_filters( 'post_class_taxonomies', $taxonomies, $post->ID, $classes, $class );
 
 	foreach ( (array) $taxonomies as $taxonomy ) {
 		if ( is_object_in_taxonomy( $post->post_type, $taxonomy ) ) {
diff --git a/wp-includes/version.php b/wp-includes/version.php
index e06b4ba2cf..e8c6f83304 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.1-alpha-54207';
+$wp_version = '6.1-alpha-54208';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.