Update composer.json

Author: mpociot

Diff for: composer.json

@@ -17,9 +17,9 @@
     ],
     "require": {
         "php": "^7.1",
-        "illuminate/console": "5.6.*|5.7.*",
-        "illuminate/http": "5.6.*|5.7.*",
-        "illuminate/support": "5.6.*|5.7.*",
+        "illuminate/console": "5.6.*|5.7.*|5.8.*",
+        "illuminate/http": "5.6.*|5.7.*|5.8.*",
+        "illuminate/support": "5.6.*|5.7.*|5.8.*",
         "symfony/var-dumper": "^4.1.1"
     },
     "require-dev": {