diff --git a/composer.json b/composer.json
index 81edc573..a9094483 100644
--- a/composer.json
+++ b/composer.json
@@ -144,7 +144,7 @@
         "post-update-cmd": [
             "@auto-scripts"
         ],
-        "phpstan": "vendor/bin/phpstan analyse src --level 2 --memory-limit 1G"
+        "phpstan": "vendor/bin/phpstan analyse src --level 5 --memory-limit 1G"
     },
     "conflict": {
         "symfony/symfony": "*"