diff --git a/wp-admin/themes.php b/wp-admin/themes.php
index 2dfa4eb3f5..fc858b2c87 100644
--- a/wp-admin/themes.php
+++ b/wp-admin/themes.php
@@ -568,7 +568,7 @@ function wp_theme_auto_update_setting_template() {
 			<# } else { #>
 				<button type="button" class="toggle-auto-update button-link" data-slug="{{ data.id }}" data-wp-action="enable">
 					<span class="dashicons dashicons-update spin hidden" aria-hidden="true"></span><span class="label">' . __( 'Enable auto-updates' ) . '</span>
-				</a>
+				</button>
 			<# } #>
 			<# if ( data.hasUpdate ) { #>
 				<# if ( data.autoupdate ) { #>
diff --git a/wp-includes/version.php b/wp-includes/version.php
index a65dba02b7..2123e6918a 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.5-beta1-48427';
+$wp_version = '5.5-beta1-48428';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.