diff --git a/composer.json b/composer.json
index 5586b30..fd467da 100644
--- a/composer.json
+++ b/composer.json
@@ -46,7 +46,7 @@
         "laminas/laminas-coding-standard": "^3.0",
         "laminas/laminas-test": "^4.10",
         "phpunit/phpunit": "^11.3.0",
-        "psalm/plugin-phpunit": "^0.19.0",
+        "psalm/plugin-phpunit": "^0.20.0",
         "vimeo/psalm": "^6.13.1"
     },
     "scripts": {