diff --git a/wp-admin/includes/class-wp-automatic-updater.php b/wp-admin/includes/class-wp-automatic-updater.php
index a1efdc2bb2..77a4149406 100644
--- a/wp-admin/includes/class-wp-automatic-updater.php
+++ b/wp-admin/includes/class-wp-automatic-updater.php
@@ -214,8 +214,8 @@ class WP_Automatic_Updater {
 			}
 		}
 
-		// If updating a plugin, ensure the minimum PHP version requirements are satisfied.
-		if ( 'plugin' === $type ) {
+		// If updating a plugin or theme, ensure the minimum PHP version requirements are satisfied.
+		if ( in_array( $type, array( 'plugin', 'theme' ), true ) ) {
 			if ( ! empty( $item->requires_php ) && version_compare( phpversion(), $item->requires_php, '<' ) ) {
 				return false;
 			}
diff --git a/wp-includes/version.php b/wp-includes/version.php
index ab8d242d38..810cb6d717 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.5-alpha-48070';
+$wp_version = '5.5-alpha-48071';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.