diff --git a/composer.json b/composer.json
index fe4ec4d6..9f177c09 100644
--- a/composer.json
+++ b/composer.json
@@ -8,7 +8,7 @@
         "netresearch/jsonmapper": "~0.11",
         "monolog/monolog": "~1.12",
         "vlucas/phpdotenv": "~2.0",
-        "symfony/var-dumper": "2.8.*|3.0.*"
+        "symfony/var-dumper": "~2.8|~3.0"
     },
     "require-dev": {
         "phpunit/phpunit": "~4.4",