diff --git a/composer.json b/composer.json
index b8c81e2..d30d3c9 100644
--- a/composer.json
+++ b/composer.json
@@ -9,7 +9,7 @@
     }
   ],
   "require": {
-    "php": "^5.4|^7.0"
+    "php": "^5.4|^7.0|^8.0"
   },
   "require-dev": {
     "phpunit/phpunit": "^4.8 || ^5.7 || ^6.5",