diff --git a/composer.json b/composer.json
index 1010f1b..08ef337 100644
--- a/composer.json
+++ b/composer.json
@@ -3,8 +3,9 @@
   "description": "Chatwork SDK for Laravel",
   "type": "library",
   "require": {
+    "php": ">=7.2",
     "sun-asterisk/chatwork-php": "^0.1.1",
-    "illuminate/support": "^5.0"
+    "illuminate/support": "^6.0"
   },
   "require-dev": {
     "phpunit/phpunit": "^8.3"
diff --git a/tests/.gitignore b/tests/.gitignore
new file mode 100644
index 0000000..e69de29