diff --git a/composer.json b/composer.json
index facbce5..c5bdd8b 100644
--- a/composer.json
+++ b/composer.json
@@ -34,7 +34,7 @@
         "phpstan/phpstan-mockery": "^1.0",
         "phpstan/phpstan-phpunit": "^1.1",
         "psalm/plugin-mockery": "^0.9.1",
-        "psalm/plugin-phpunit": "^0.17.0",
+        "psalm/plugin-phpunit": "^0.18.0",
         "ramsey/coding-standard": "^2.0.3",
         "ramsey/composer-repl": "^1.4",
         "ramsey/conventional-commits": "^1.3",