diff --git a/composer.json b/composer.json
index b713887..66e408a 100644
--- a/composer.json
+++ b/composer.json
@@ -48,7 +48,7 @@
         "laminas/laminas-coding-standard": "^2.4",
         "laminas/laminas-diactoros": "^2.22",
         "laminas/laminas-router": "^3.10",
-        "phpunit/phpunit": "^9.5.26",
+        "phpunit/phpunit": "^10.0.0",
         "psalm/plugin-phpunit": "^0.18.3",
         "vimeo/psalm": "^5.0"
     },