Make clear that this package needs Laravel 5.8 or higher.

Author: jeromegamez

CHANGELOG.md

@@ -1,5 +1,9 @@
 # CHANGELOG
 
+## Unreleased
+
+* Make clear that this package needs Laravel 5.8 or higher.
+
 ## 1.0.0 - 2019-08-17
 
 * Initial release

README.md

@@ -3,7 +3,8 @@
 A Laravel package for the [Firebase PHP Admin SDK](https://github.com/kreait/firebase-php).
 
 [![Current version](https://img.shields.io/packagist/v/kreait/laravel-firebase.svg?logo=composer)](https://packagist.org/packages/kreait/laravel-firebase)
-[![Firebase Admin SDK version](https://img.shields.io/badge/Firebase%20Admin%20SDK-%5E4.30.0-blue)](https://packagist.org/packages/kreait/firebase-php)
+[![Firebase Admin SDK version](https://img.shields.io/badge/Firebase%20Admin%20SDK-%5E4.30.1-blue)](https://packagist.org/packages/kreait/firebase-php)
+![Supported Laravel versions](https://img.shields.io/badge/Laravel-%3E%3D5.8-blue)
 [![Discord](https://img.shields.io/discord/523866370778333184.svg?color=7289da&logo=discord)](https://discord.gg/nbgVfty)
 
 * [Installation](#installation)
@@ -13,6 +14,8 @@ A Laravel package for the [Firebase PHP Admin SDK](https://github.com/kreait/fir
 
 ## Installation
 
+This package requires Laravel 5.8 and higher.
+
 ```bash
 composer require kreait/laravel-firebase ^1.0
 ```

composer.json

@@ -11,16 +11,15 @@
         }
     ],
     "require": {
-        "kreait/firebase-php": "^4.30"
+        "kreait/firebase-php": "^4.30.1",
+        "illuminate/contracts": "^5.8|^6.0",
+        "illuminate/support": "^5.8|^6.0"
     },
     "autoload": {
         "psr-4": {
             "Kreait\\Laravel\\Firebase\\": "src"
         }
     },
-    "require-dev": {
-        "laravel/framework": "^5.8"
-    },
     "extra": {
         "branch-alias": {
             "dev-master": "1.x-dev"