diff --git a/composer.json b/composer.json
index 32ce395..646d9c5 100644
--- a/composer.json
+++ b/composer.json
@@ -18,7 +18,7 @@
   "require-dev": {
     "rem42/php-cs-fixer-config": "^3.4",
     "phpstan/phpstan": "^1.8",
-    "phpunit/phpunit": "^9.5"
+    "phpunit/phpunit": "^10.1"
   },
   "autoload": {
     "psr-4": {