diff --git a/composer.json b/composer.json
index 7efa477..7cd9b04 100644
--- a/composer.json
+++ b/composer.json
@@ -14,7 +14,7 @@
   "license": "MIT",
   "require": {
     "php": ">=7.0",
-    "illuminate/support": "5.5.*|5.6.*|5.7.*"
+    "illuminate/support": "5.5.*|5.6.*|5.7.*|5.8.*"
   },
   "require-dev": {
     "phpunit/phpunit": "6.3.*",