diff --git a/composer.json b/composer.json
index 645bded..57a3b0f 100644
--- a/composer.json
+++ b/composer.json
@@ -23,13 +23,13 @@
         }
     ],
     "require": {
-        "php" : "~5.6|~7.0|^8.0",
-        "illuminate/support": "5.2.*|5.3.*|5.4.*|5.5.*|5.6.*|5.7.*|5.8.*|6.*|7.*|8.*"
+        "php": "^7.0|^8.0",
+        "illuminate/support": "6.*|7.*|8.*"
 
     },
     "require-dev": {
-        "phpunit/phpunit": "5.5.*|7.0.*",
-        "laravel/framework": "5.2.*|5.3.*|5.4.*|5.5.*|5.6.*|5.7.*|5.8.*|6.*|7.*|8.*",
+        "phpunit/phpunit": "~6.0|7.0.*",
+        "laravel/framework": "6.*|7.*|8.*",
         "squizlabs/php_codesniffer": "^2.3"
     },
     "autoload": {