diff --git a/backend_server.go b/backend_server.go
index 8eafdb8..7f1fb19 100644
--- a/backend_server.go
+++ b/backend_server.go
@@ -44,7 +44,7 @@ import (
 )
 
 const (
-	maxBodySize = 64 * 1024
+	maxBodySize = 256 * 1024
 
 	randomUsernameLength = 32