diff --git a/wp-content/themes/twentynineteen/style-editor.css b/wp-content/themes/twentynineteen/style-editor.css
index 3a38846343..4619b0177f 100644
--- a/wp-content/themes/twentynineteen/style-editor.css
+++ b/wp-content/themes/twentynineteen/style-editor.css
@@ -999,6 +999,7 @@ figcaption,
   font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
   font-size: 0.88889em;
   font-weight: bold;
+  padding: 16.72px 22px;
 }
 
 .wp-block-button .wp-block-button__link:not(.has-text-color) {
diff --git a/wp-content/themes/twentynineteen/style-editor.scss b/wp-content/themes/twentynineteen/style-editor.scss
index 508dda9566..de3c8a7c93 100644
--- a/wp-content/themes/twentynineteen/style-editor.scss
+++ b/wp-content/themes/twentynineteen/style-editor.scss
@@ -393,6 +393,7 @@ figcaption,
 		@include font-family( $font__heading );
 		font-size: $font__size-sm;
 		font-weight: bold;
+		padding: ($font__size_base * .76) $font__size_base;
 
 		&:not(.has-text-color) {
 			color: #fff;
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 09ec0bc68a..aed662c150 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.6-beta4-58555';
+$wp_version = '6.6-beta4-58556';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.