diff --git a/composer.json b/composer.json
index 66feafc..ac37c68 100644
--- a/composer.json
+++ b/composer.json
@@ -12,7 +12,7 @@
         }
     ],
     "require": {
-        "php": "^5.4",
+        "php": ">=5.4.0",
         "symfony/framework-bundle": "^2.0|^3.0",
         "symfony/expression-language": "^2.4|^3.0",
         "knplabs/knp-menu": "^2.0",