diff --git a/wp-includes/blocks/template-part.php b/wp-includes/blocks/template-part.php
index 3837a0a17d..bef49341d7 100644
--- a/wp-includes/blocks/template-part.php
+++ b/wp-includes/blocks/template-part.php
@@ -22,7 +22,7 @@ function render_block_core_template_part( $attributes ) {
 	if (
 		isset( $attributes['slug'] ) &&
 		isset( $attributes['theme'] ) &&
-		get_stylesheet() === $attributes['theme']
+		wp_get_theme()->get_stylesheet() === $attributes['theme']
 	) {
 		$template_part_id    = $attributes['theme'] . '//' . $attributes['slug'];
 		$template_part_query = new WP_Query(
diff --git a/wp-includes/version.php b/wp-includes/version.php
index fcdc7dd2d0..14fd5a23d2 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.2-alpha-54817';
+$wp_version = '6.2-alpha-54819';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.