diff --git a/composer.json b/composer.json
index 4a6ca6b..6f75ad4 100644
--- a/composer.json
+++ b/composer.json
@@ -16,11 +16,11 @@
     "require": {
         "php": ">=5.4",
         "symfony/monolog-bundle": "2.*",
-        "symfony/expression-language": "~2.3"
+        "symfony/expression-language": "~2.3|~3.0"
     },
     "require-dev": {
         "atoum/atoum": "dev-master",
-        "symfony/yaml": "~2.3"
+        "symfony/yaml": "~2.3|~3.0"
     },
     "autoload": {
         "psr-0": { "": "src/" }