diff --git a/composer.json b/composer.json
index cca3278b..4fdebe91 100644
--- a/composer.json
+++ b/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.3.3"
+        "php": ">=5.3.9"
     },
     "require-dev": {
         "symfony/css-selector": "~2.3|~3.0.0"