diff --git a/composer.json b/composer.json
index 5d270332..47ee1e0c 100644
--- a/composer.json
+++ b/composer.json
@@ -35,7 +35,7 @@
     "require-dev": {
         "doctrine/coding-standard": "^12.0.0",
         "php-standard-library/psalm-plugin": "^2.2.1",
-        "phpunit/phpunit": "^9.6.13",
+        "phpunit/phpunit": "^10.4.2",
         "psalm/plugin-phpunit": "^0.18.4",
         "roave/infection-static-analysis-plugin": "^1.33.0",
         "roave/no-leaks": "^1.5.0",