diff --git a/composer.json b/composer.json
index 29a6931..10d5607 100644
--- a/composer.json
+++ b/composer.json
@@ -28,7 +28,7 @@
     "guzzlehttp/guzzle": "^7.8",
     "friendsofphp/php-cs-fixer": "^3.41",
     "vimeo/psalm": "^5.18",
-    "psalm/plugin-phpunit": "^0.18.4"
+    "psalm/plugin-phpunit": "^0.18.4 || ^0.19.0"
   },
   "suggest": {
     "guzzlehttp/guzzle": "^7.0",