diff --git a/src/Config.php b/src/Config.php
index a67de9e..ce77f9e 100644
--- a/src/Config.php
+++ b/src/Config.php
@@ -177,6 +177,10 @@ public function getRules(): array
                 'types_spaces' => false, // not that clear in PER
                 'single_space_around_construct' => false,
                 'method_argument_space' => false,
+                'integer_literal_case' => false,
+                'heredoc_indentation' => [
+                    'indentation' => 'same_as_start',
+                ],
             ]);
         }