diff --git a/composer.json b/composer.json
index cf3f972..6a70d9b 100644
--- a/composer.json
+++ b/composer.json
@@ -41,7 +41,7 @@
     "phpstan/extension-installer": "^1.1.0",
     "phpstan/phpstan-phpunit": "^1.1.1",
     "phpstan/phpstan-strict-rules": "^1.2.3",
-    "phpunit/phpunit": "^9.5.20",
+    "phpunit/phpunit": "^11.2.6",
     "squizlabs/php_codesniffer": "^3.6.2"
   },
   "autoload": {