Update composer.json

Author: tabacitu

composer.json

@@ -19,7 +19,7 @@
     "require": {
         "illuminate/support": "~5.1",
         "php" : "~5.5|~7.0",
-        "backpack/crud": "2.0.*"
+        "backpack/crud": "^3.0.0"
     },
     "require-dev": {
         "phpunit/phpunit" : "4.*",