diff --git a/src/action/updateinstalledapps.ts b/src/action/updateinstalledapps.ts
index 31fa979..0e664fe 100644
--- a/src/action/updateinstalledapps.ts
+++ b/src/action/updateinstalledapps.ts
@@ -19,7 +19,7 @@ import { AppLogicAction } from './basetypes'
 import { InvalidActionParameterException } from './meta/exception'
 
 const actionType = 'UpdateInstalledAppsAction'
-const SIZE_LIMIT = 1024 * 256
+const SIZE_LIMIT = 1024 * 512
 
 export class UpdateInstalledAppsAction extends AppLogicAction {
   readonly base?: Buffer
diff --git a/src/function/sync/get-server-data-status/index.ts b/src/function/sync/get-server-data-status/index.ts
index 104eecf..95ffe67 100644
--- a/src/function/sync/get-server-data-status/index.ts
+++ b/src/function/sync/get-server-data-status/index.ts
@@ -51,7 +51,7 @@ export const generateServerDataStatus = async ({
       familyEntry.hasFullVersion ? parseInt(familyEntry.fullVersionUntil, 10) : 0
     ),
     message: await getStatusMessage({ database, transaction }) || undefined,
-    apiLevel: 4
+    apiLevel: 5
   }
 
   if (familyEntry.deviceListVersion !== clientStatus.devices) {