diff --git a/composer.json b/composer.json
index f1315fd0..ab5162e9 100644
--- a/composer.json
+++ b/composer.json
@@ -35,7 +35,7 @@
     "require-dev": {
         "doctrine/coding-standard": "^12.0.0",
         "php-standard-library/psalm-plugin": "^2.3.0",
-        "phpunit/phpunit": "^9.6.15",
+        "phpunit/phpunit": "^10.5.5",
         "psalm/plugin-phpunit": "^0.18.4",
         "roave/infection-static-analysis-plugin": "^1.34.0",
         "roave/no-leaks": "^1.5.0",