diff --git a/composer.json b/composer.json
index 75f6165..9bfe740 100644
--- a/composer.json
+++ b/composer.json
@@ -40,7 +40,7 @@
         "laminas/laminas-servicemanager": "^3.24.0",
         "mikey179/vfsstream": "2.0.x-dev",
         "phpunit/phpunit": "^11.5.55",
-        "psalm/plugin-phpunit": "^0.19.5",
+        "psalm/plugin-phpunit": "^0.20.0",
         "vimeo/psalm": "^6.15.1"
     },
     "autoload": {