diff --git a/composer.json b/composer.json
index 1e15b68..e61ed32 100644
--- a/composer.json
+++ b/composer.json
@@ -37,7 +37,7 @@
         "ext-gd": "*",
         "laminas/laminas-coding-standard": "~2.5.0",
         "phpunit/phpunit": "^9.5.26",
-        "psalm/plugin-phpunit": "^0.19.0",
+        "psalm/plugin-phpunit": "^0.20.0",
         "vimeo/psalm": "^6.13"
     },
     "suggest": {