diff --git a/composer.json b/composer.json
index 6fcaa86..25b4eb3 100644
--- a/composer.json
+++ b/composer.json
@@ -39,7 +39,7 @@
     },
     "require-dev": {
         "phpstan/phpstan": "^1.9",
-        "phpunit/phpunit": "^9.5",
+        "phpunit/phpunit": "^10.5",
         "vimeo/psalm": "^5.6"
     },
     "suggest": {