diff --git a/composer.json b/composer.json
index 2a0e94a..b23ec90 100644
--- a/composer.json
+++ b/composer.json
@@ -4,7 +4,7 @@
   "version": "0.3.2",
   "license": "MIT",
   "require": {
-    "php": "^7",
+    "php": "^7||8.*",
     "ext-mysqli": "*",
     "ext-ctype": "*"
   },