diff --git a/composer.json b/composer.json
index 5d1ac6d..afa032c 100644
--- a/composer.json
+++ b/composer.json
@@ -28,7 +28,7 @@
     ],
     "minimum-stability": "dev",
     "require": {
-        "php": ">=5.4.7"
+        "php": ">=5.3.3"
     },
     "require-dev": {
         "phpunit/phpunit": "3.8.*@dev"