diff --git a/composer.json b/composer.json
index 94e3442..b8bffa8 100644
--- a/composer.json
+++ b/composer.json
@@ -37,7 +37,7 @@
     "ergebnis/license": "^2.0.0",
     "ergebnis/php-cs-fixer-config": "^6.23.0",
     "fakerphp/faker": "^1.23.1",
-    "psalm/plugin-phpunit": "~0.18.4",
+    "psalm/plugin-phpunit": "~0.18.4 || ~0.19.0",
     "rector/rector": "^1.0.2",
     "roave/security-advisories": "dev-master",
     "scrutinizer/ocular": "dev-master",