diff --git a/.php_cs.dist b/.php_cs.dist
index f233da8..3a419a5 100644
--- a/.php_cs.dist
+++ b/.php_cs.dist
@@ -13,6 +13,7 @@ return PhpCsFixer\Config::create()
             ->php(7.1, true)
             ->pedrotroller(true)
             ->enable('ordered_imports')
+            ->enable('ordered_interfaces')
             ->enable('align_multiline_comment')
             ->enable('array_indentation')
             ->enable('no_superfluous_phpdoc_tags')