diff --git a/composer.json b/composer.json
index 5a39059..fa026b0 100644
--- a/composer.json
+++ b/composer.json
@@ -26,7 +26,7 @@
         "laminas/laminas-config": "^3.9",
         "laminas/laminas-validator": "^2.30.1",
         "phpunit/phpunit": "^11.5",
-        "psalm/plugin-phpunit": "^0.19.0",
+        "psalm/plugin-phpunit": "^0.20.0",
         "vimeo/psalm": "^6.13"
     },
     "conflict": {