diff --git a/composer.json b/composer.json
index 69203d1..6775b17 100644
--- a/composer.json
+++ b/composer.json
@@ -12,7 +12,7 @@
     }
   ],
   "require": {
-    "illuminate/container": ">=4.2",
+    "illuminate/container": ">=5.0",
     "swiftmailer/swiftmailer": "~5.1"
   },
   "autoload": {
@@ -20,4 +20,4 @@
       "Clarification\\MailDrivers\\Sendgrid\\": "src"
     }
   }
-}
\ No newline at end of file
+}