diff --git a/composer.json b/composer.json
index 3f53303..9c38abd 100644
--- a/composer.json
+++ b/composer.json
@@ -43,7 +43,7 @@
         "laminas/laminas-coding-standard": "~3.1.0",
         "laminas/laminas-diactoros": "^3.7",
         "phpunit/phpunit": "^11.5.42",
-        "psalm/plugin-phpunit": "^0.19.5",
+        "psalm/plugin-phpunit": "^0.20.0",
         "vimeo/psalm": "^6.13.1",
         "amphp/dns": "^1.24 || ^2.1.2",
         "amphp/socket": "^1.2.1 || ^2.3.1"