diff --git a/composer.json b/composer.json
index 4e71d31..4dd7229 100644
--- a/composer.json
+++ b/composer.json
@@ -11,7 +11,7 @@
         }
     ],
     "require": {
-        "wol-soft/php-json-schema-model-generator-production": "dev-SkipSerializationOfInternalProperties",
+        "wol-soft/php-json-schema-model-generator-production": "^0.15",
         "wol-soft/php-micro-template": "^1.3.2",
 
         "php": ">=7.2",