diff --git a/composer.json b/composer.json
index 8bbb055..282658f 100644
--- a/composer.json
+++ b/composer.json
@@ -7,7 +7,7 @@
         "sort-packages": true
     },
     "require": {
-        "php": "^8.0",
+        "php": "^7.3 || ^8.0",
         "psr/simple-cache": "^1.0"
     },
     "require-dev": {