diff --git a/composer.json b/composer.json
index 46570ed4..2b0ad499 100644
--- a/composer.json
+++ b/composer.json
@@ -40,7 +40,7 @@
   "require-dev": {
     "swoft/swlib": "~2.0.0",
     "swoft/swoole-ide-helper": "dev-master",
-    "phpunit/phpunit": "^7.5 || ^8.0"
+    "phpunit/phpunit": "^9.6.4"
   },
   "autoload": {
     "psr-4": {