diff --git a/src/Generator/CRUD/Generator.php b/src/Generator/CRUD/Generator.php
index d473c427..f7da19d6 100644
--- a/src/Generator/CRUD/Generator.php
+++ b/src/Generator/CRUD/Generator.php
@@ -23,7 +23,7 @@ public function __construct(
         Aliases $aliases,
         ValidatorInterface $validator,
         ParametersProvider $parametersProvider,
-        private ActiveRecordFactory $activeRecordFactory,
+        private readonly ActiveRecordFactory $activeRecordFactory,
     ) {
         parent::__construct($aliases, $validator, $parametersProvider);
     }