diff --git a/composer.json b/composer.json
index 3f1eb438ffe3598db123ea2c9905aa65251d6de3..968859c85c9423218ed08b2c307d7d9ed9695fba 100644
--- a/composer.json
+++ b/composer.json
@@ -26,7 +26,7 @@
         "files": ["lib/_autoload_modules.php"]
     },
     "require": {
-        "php": ">=5.3",
+        "php": ">=5.4",
         "ext-SPL": "*",
         "ext-zlib": "*",
         "ext-pcre": "*",