diff --git a/composer.json b/composer.json
index 896d64e4..df7187a6 100644
--- a/composer.json
+++ b/composer.json
@@ -34,7 +34,7 @@
         "doctrine/coding-standard": "^12.0.0",
         "laminas/laminas-diactoros": "^3.3.1",
         "laminas/laminas-httphandlerrunner": "^2.10.0",
-        "phpunit/phpunit": "^9.6.17",
+        "phpunit/phpunit": "^11.0.6",
         "psalm/plugin-phpunit": "^0.18.4",
         "roave/infection-static-analysis-plugin": "^1.35.0",
         "squizlabs/php_codesniffer": "^3.9.0",