diff --git a/composer.json b/composer.json
index 0dfd96d..07dc3ed 100644
--- a/composer.json
+++ b/composer.json
@@ -50,7 +50,7 @@
         "laminas/laminas-diactoros": "^3.7.0",
         "laminas/laminas-servicemanager": "^4.4",
         "phpunit/phpunit": "^11.5.50",
-        "psalm/plugin-phpunit": "^0.19.5",
+        "psalm/plugin-phpunit": "^0.20.0",
         "vimeo/psalm": "^6.13.1"
     },
     "conflict": {