diff --git a/composer.json b/composer.json
index 86e4ed13..45320aa5 100644
--- a/composer.json
+++ b/composer.json
@@ -22,7 +22,7 @@
         }
     ],
     "require": {
-        "php": ">=5.4.0",
+        "php": ">=5.5.0",
         "illuminate/console": "~5.0",
         "illuminate/support": "~5.0",
         "illuminate/cache": "~5.0"