diff --git a/core/phpcs.xml.dist b/core/phpcs.xml.dist
index d56b865f1a0..54b4be4a1d1 100644
--- a/core/phpcs.xml.dist
+++ b/core/phpcs.xml.dist
@@ -32,6 +32,7 @@
   </rule>
   <rule ref="Drupal.Classes.ClassCreateInstance"/>
   <rule ref="Drupal.Classes.ClassDeclaration"/>
+  <rule ref="Drupal.Classes.ClassFileName"/>
   <rule ref="Drupal.Classes.FullyQualifiedNamespace"/>
   <rule ref="Drupal.Classes.InterfaceName"/>
   <rule ref="Drupal.Classes.UnusedUseStatement"/>