diff --git a/composer.json b/composer.json
index 048aaee..125296a 100644
--- a/composer.json
+++ b/composer.json
@@ -14,8 +14,8 @@
     "minimum-stability": "stable",
     "require": {
         "php": ">=5.4.0",
-        "symfony/config": ">=2.2.0,<3.0",
-        "symfony/yaml": ">=2.2.0,<3.0"
+        "symfony/config": "~2.2",
+        "symfony/yaml": "~2.2"
     },
     "require-dev": {
         "phpunit/phpunit": "3.7.*",