diff --git a/CloudronManifest.json b/CloudronManifest.json
index d61a4ff..82d78b5 100644
--- a/CloudronManifest.json
+++ b/CloudronManifest.json
@@ -40,6 +40,6 @@
   "documentationUrl": "https://cloudron.io/documentation/apps/mastodon/",
   "postInstallMessage": "file://POSTINSTALL.md",
   "optionalSso": true,
-  "minBoxVersion": "5.3.0",
+  "minBoxVersion": "5.5.0",
   "forumUrl": "https://forum.cloudron.io/category/41/mastodon"
 }