diff --git a/wp-includes/blocks.php b/wp-includes/blocks.php
index c60ddf18e0..905cb48b37 100644
--- a/wp-includes/blocks.php
+++ b/wp-includes/blocks.php
@@ -164,7 +164,7 @@ function register_block_style_handle( $metadata, $field_name ) {
 	$block_dir      = dirname( $metadata['file'] );
 	$style_file     = realpath( "$block_dir/$style_path" );
 	$has_style_file = false !== $style_file;
-	$version        = ! $is_core_block && $has_style_file ? filemtime( $style_file ) : false;
+	$version        = ! $is_core_block && isset( $metadata['version'] ) ? $metadata['version'] : false;
 	$style_uri      = $has_style_file ? $style_uri : false;
 	$result         = wp_register_style(
 		$style_handle,
diff --git a/wp-includes/version.php b/wp-includes/version.php
index c72b056461..2f39112663 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.8-beta4-51261';
+$wp_version = '5.8-beta4-51262';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.