diff --git a/composer.json b/composer.json
index ca3c427..c8a6132 100644
--- a/composer.json
+++ b/composer.json
@@ -62,6 +62,7 @@
 		"symfony/console": "^5.4 || ^6.4 || ^7.0",
 		"symfony/translation": "^5.4 || ^6.4 || ^7.0",
 		"symfony/yaml": "^5.4 || ^6.4 || ^7.0",
+		"tomasvotruba/cognitive-complexity": "^0.2.3",
 		"tomasvotruba/type-coverage": "^0.2.1",
 		"typo3/cms-fluid-styled-content": "^11.5.4 || ^12.4.0",
 		"typo3/coding-standards": "^0.6.1",
diff --git a/phpstan.neon b/phpstan.neon
index 04c9377..3b05aff 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -25,3 +25,7 @@ parameters:
     return_type: 100
     param_type: 100
     property_type: 95
+
+  cognitive_complexity:
+    class: 10
+    function: 5