diff --git a/composer.json b/composer.json
index 1ccb0ba..3585d78 100644
--- a/composer.json
+++ b/composer.json
@@ -49,12 +49,12 @@
         }
     },
     "require": {
-        "php": "^7.4 || ^8.0",
+        "php": "^7.0|^8.0",
         "ext-curl": "*",
         "ext-json": "*"
     },
     "require-dev": {
-        "phpunit/phpunit": "^10.0"
+        "phpunit/phpunit": "^9.0|^10.0"
     },
     "config": {
         "sort-packages": true