diff --git a/composer.json b/composer.json
index 9b4987e..47276e9 100644
--- a/composer.json
+++ b/composer.json
@@ -16,7 +16,7 @@
   },
   "minimum-stability": "stable",
   "require": {
-    "illuminate/support": "^5.2|^5.3|^5.4"
+    "illuminate/support": "^5.2|^5.3|^5.4|^5.5"
   },
   "require-dev": {
     "phpunit/phpunit": "^4.8",