version fix

Author: ph4r05

composer.json

@@ -11,13 +11,13 @@
   ],
   "require": {
     "php": ">=7.0",
-    "illuminate/database": ["5.5.*", "5.6.*"],
-    "illuminate/support": ["5.5.*", "5.6.*"],
-    "illuminate/queue": ["5.5.*", "5.6.*"]
+    "illuminate/database": "5.5.* 5.6.*",
+    "illuminate/support": "5.5.* 5.6.*",
+    "illuminate/queue": "5.5.* 5.6.*"
   },
   "require-dev": {
     "phpunit/phpunit": "~6.0",
-    "illuminate/events": ["5.5.*", "5.6.*"],
+    "illuminate/events": "5.5.* 5.6.*",
     "mockery/mockery": "~1.0"
   },
   "autoload": {