diff --git a/composer.json b/composer.json
index 8e53900..afbd3ec 100644
--- a/composer.json
+++ b/composer.json
@@ -27,7 +27,7 @@
     "require-dev": {
         "doctrine/coding-standard": "^14.0.0",
         "phpunit/phpunit": "^11.5.44",
-        "psalm/plugin-phpunit": "^0.19.5",
+        "psalm/plugin-phpunit": "^0.20.0",
         "vimeo/psalm": "^6.13"
     },
     "autoload": {