diff --git a/composer.json b/composer.json
index cbc1550..1ed5a06 100755
--- a/composer.json
+++ b/composer.json
@@ -20,7 +20,7 @@
         }
     ],
     "require": {
-        "php": ">=5.6.0",
+        "php": ">=5.4.0",
 		"ext-curl": "*"
     },
     "autoload": {