diff --git a/CloudronManifest.json b/CloudronManifest.json
index 1d4cdc5..b4cf193 100644
--- a/CloudronManifest.json
+++ b/CloudronManifest.json
@@ -25,6 +25,7 @@
     "sendmail": {},
     "ldap": {}
   },
+  "memoryLimit": 536870912,
   "forumUrl": "https://forum.cloudron.io/category/91/peertube",
   "optionalSso": true,
   "tags": [ "video", "youtube", "vimeo", "blog", "instagram", "media", "federated" ],