diff --git a/composer.json b/composer.json index 684bf148b..8d6cda7b5 100755 --- a/composer.json +++ b/composer.json @@ -10,7 +10,7 @@ "guzzlehttp/psr7": "^1.2", "monolog/monolog": "^1.17.1", "phpdocumentor/reflection-docblock": "^3.0.3", - "symfony/serializer": "^3.0.3" + "symfony/serializer": "^2.8.0 || ^3.0.3" }, "require-dev": { "phpunit/phpunit": "^4.8"