diff --git a/composer.json b/composer.json
index 9c41d38..efe5cad 100644
--- a/composer.json
+++ b/composer.json
@@ -12,7 +12,7 @@
         }
     },
     "require": {
-        "php": ">=5.3.3",
+        "php": ">=5.3.23",
         "zendframework/zend-stdlib": "self.version"
     },
     "extra": {