diff --git a/server/collaborator/src/server.ts b/server/collaborator/src/server.ts
index e3afeefbc2..de896a2e91 100644
--- a/server/collaborator/src/server.ts
+++ b/server/collaborator/src/server.ts
@@ -48,7 +48,8 @@ export async function start (ctx: MeasureContext, config: Config, storageAdapter
 
   const app = express()
   app.use(cors())
-  app.use(bp.json())
+  app.use(express.json({ limit: '10mb' }))
+  app.use(bp.json({ limit: '10mb' }))
 
   const extensionsCtx = ctx.newChild('extensions', {})
   const transformer = new MarkupTransformer()