diff --git a/composer.json b/composer.json
index b634458..cb08774 100644
--- a/composer.json
+++ b/composer.json
@@ -3,7 +3,7 @@
     "type": "project",
     "license": "proprietary",
     "require": {
-        "php": "^7.4",
+        "php": "^7.4 | ^8.0",
         "ext-ctype": "*",
         "ext-iconv": "*",
         "ext-sodium": "*",