Update composer.json

Author: barryvdh

Diff for: composer.json

@@ -11,9 +11,9 @@
     ],
     "require": {
         "php": ">=7",
-        "illuminate/support": "^5.5|^6|^7|^8",
-        "illuminate/console": "^5.5|^6|^7|^8",
-        "symfony/process": "^3.2|^4|^5"
+        "illuminate/support": "^6|^7|^8",
+        "illuminate/console": "^6|^7|^8",
+        "symfony/process": "^4|^5"
     },
     "autoload": {
         "psr-4": {