diff --git a/composer.json b/composer.json
index ab4cccc..8a8227d 100644
--- a/composer.json
+++ b/composer.json
@@ -6,7 +6,7 @@
   "minimum-stability": "stable",
   "license":           "Apache-2.0",
   "require":           {
-    "php": "^5.5 || ^7.0"
+    "php": "^5.5 || ^7.0 || ^8.0"
   },
   "autoload":          {
     "psr-4": {