diff --git a/composer.json b/composer.json
index 7bc3a04..c633456 100644
--- a/composer.json
+++ b/composer.json
@@ -44,7 +44,7 @@
         "laminas/laminas-coding-standard": "~3.1.0",
         "laminas/laminas-diactoros": "^3.8",
         "phpunit/phpunit": "^11.5.42",
-        "psalm/plugin-phpunit": "^0.19.5",
+        "psalm/plugin-phpunit": "^0.20.0",
         "vimeo/psalm": "^6.13.1"
     },
     "autoload": {