diff --git a/wp-content/themes/twentytwentyone/assets/css/ie-editor.css b/wp-content/themes/twentytwentyone/assets/css/ie-editor.css
index 9665360514..caaee11b38 100644
--- a/wp-content/themes/twentytwentyone/assets/css/ie-editor.css
+++ b/wp-content/themes/twentytwentyone/assets/css/ie-editor.css
@@ -1458,6 +1458,7 @@ h6 {
 }
 
 /* Center image block by default in the editor */
+.wp-block-image,
 .wp-block-image > div {
 	text-align: center;
 }
diff --git a/wp-content/themes/twentytwentyone/assets/css/style-editor.css b/wp-content/themes/twentytwentyone/assets/css/style-editor.css
index b4ad479ad8..8f61bab00c 100644
--- a/wp-content/themes/twentytwentyone/assets/css/style-editor.css
+++ b/wp-content/themes/twentytwentyone/assets/css/style-editor.css
@@ -1127,6 +1127,7 @@ h6,
 }
 
 /* Center image block by default in the editor */
+.wp-block-image,
 .wp-block-image > div {
 	text-align: center;
 }
diff --git a/wp-content/themes/twentytwentyone/assets/sass/05-blocks/image/_editor.scss b/wp-content/themes/twentytwentyone/assets/sass/05-blocks/image/_editor.scss
index e4ed9d7a01..dcbf6d3511 100644
--- a/wp-content/themes/twentytwentyone/assets/sass/05-blocks/image/_editor.scss
+++ b/wp-content/themes/twentytwentyone/assets/sass/05-blocks/image/_editor.scss
@@ -1,5 +1,6 @@
 /* Center image block by default in the editor */
 
+.wp-block-image,
 .wp-block-image > div {
 	text-align: center;
 }
diff --git a/wp-includes/version.php b/wp-includes/version.php
index bb665f9844..5bed646d4a 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.9-alpha-52141';
+$wp_version = '5.9-alpha-52142';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.