Update composer.json

Author: fwartner

composer.json

@@ -33,10 +33,10 @@
     ],
     "require": {
         "php": ">=5.6.4",
-        "illuminate/events": "5.3.*",
-        "illuminate/notifications": "5.3.*",
-        "illuminate/queue": "5.3.*",
-        "illuminate/support": "5.3.*",
+        "illuminate/events": "5.3.* || 5.4.*",
+        "illuminate/notifications": "5.3.* || 5.4.*",
+        "illuminate/queue": "5.3.* || 5.4.*",
+        "illuminate/support": "5.3.* || 5.4.*",
         "pusher/pusher-php-server": "2.6.*"
     },
     "require-dev": {