Update composer.json

limingxinleo · limingxinleo · commit 06ec241fa457 · 2021-01-18T20:35:35.000+08:00
diff --git a/composer.json b/composer.json
@@ -23,7 +23,7 @@
     "psr/simple-cache": "^1.0"
   },
   "require-dev": {
-    "phpunit/phpunit": "^7.0"
+    "phpunit/phpunit": "^9.0"
   },
   "license": "MIT",
   "authors": [
