diff --git a/composer.json b/composer.json
index bb518c2..e612feb 100644
--- a/composer.json
+++ b/composer.json
@@ -10,9 +10,9 @@
         }
     ],
     "require": {
-        "php": ">=5.4.0",
+        "php": ">=5.5.9",
         "ext-ldap": "*",
-        "illuminate/support": "4.*|5.*"
+        "illuminate/support": "~5.0"
     },
 		"require-dev": {
 	      "orchestra/testbench": "2.1.*"