diff --git a/composer.json b/composer.json
index e27c238..bf831eb 100644
--- a/composer.json
+++ b/composer.json
@@ -9,7 +9,7 @@
   ],
   "license": "MIT",
   "require": {
-    "php": ">=8.0",
+    "php": ">=8.4",
     "ext-json": "*",
     "ext-msgpack": "*",
     "start-point/etcd-php": "^1.1",