diff --git a/wp-content/themes/twentysixteen/css/editor-blocks.css b/wp-content/themes/twentysixteen/css/editor-blocks.css
index 3e2ec41017..d5841218d0 100644
--- a/wp-content/themes/twentysixteen/css/editor-blocks.css
+++ b/wp-content/themes/twentysixteen/css/editor-blocks.css
@@ -305,6 +305,10 @@ figure[class*="wp-block-"] > figcaption {
 	padding: 0 0 0 1.263157895em;
 }
 
+.editor-styles-wrapper .wp-block-quote {
+	border-color: currentColor;
+}
+
 .wp-block-quote:not(.is-large):not(.is-style-large).alignleft,
 .wp-block-quote:not(.is-large):not(.is-style-large).alignright {
 	border-left: 0;
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 9eb7bbad94..9c199d11f6 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.7-alpha-58727';
+$wp_version = '6.7-alpha-58728';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.