diff --git a/composer.json b/composer.json
index d83f275..db4274d 100644
--- a/composer.json
+++ b/composer.json
@@ -18,7 +18,7 @@
     "prefer-stable" : true,
     "require": {
         "php": ">=5.6.4",
-        "laravel/framework": "~5.4"
+        "laravel/framework": "~5.5"
     },
     "require-dev": {
         "phpunit/phpunit": "~4.1",