diff --git a/composer.json b/composer.json
index 1840dbc..c3324eb 100644
--- a/composer.json
+++ b/composer.json
@@ -24,7 +24,7 @@
 		"nextcloud/coding-standard": "^1.3.2",
 		"nextcloud/rector": "^0.2.1",
 		"rector/rector": "~1.2.10",
-		"vimeo/psalm": "^5.26.1"
+		"vimeo/psalm": "^6.0.0"
 	},
 	"config": {
 		"optimize-autoloader": true,