diff --git a/.php_cs b/.php_cs
index 1fe2827d4..203c0f141 100644
--- a/.php_cs
+++ b/.php_cs
@@ -25,4 +25,5 @@ return PhpCsFixer\Config::create()
         'strict_comparison' => true,
     ])
     ->setFinder($finder)
+    ->setCacheFile(__DIR__.'/var/.php_cs.cache')
 ;