diff --git a/composer.json b/composer.json
index 3dfffb5..d03e59e 100644
--- a/composer.json
+++ b/composer.json
@@ -35,7 +35,7 @@
     "require-dev": {
         "laminas/laminas-coding-standard": "~3.1.0",
         "phpunit/phpunit": "^11.5.50 || ^12.5.8",
-        "psalm/plugin-phpunit": "^0.19.0",
+        "psalm/plugin-phpunit": "^0.20.0",
         "vimeo/psalm": "^6.14.3"
     },
     "autoload": {