diff --git a/lib/ai/providers/vip98k.ts b/lib/ai/providers/vip98k.ts
index c7e9b1948..e7ec5d540 100644
--- a/lib/ai/providers/vip98k.ts
+++ b/lib/ai/providers/vip98k.ts
@@ -65,7 +65,7 @@ const DEFAULT_POLL_INTERVAL_SECONDS = 8;
 const DEFAULT_MAX_POLL_SECONDS = 600;
 const REFERENCE_DOWNLOAD_ATTEMPTS = 3;
 const REFERENCE_DOWNLOAD_TIMEOUT_MS = 120_000;
-const MAX_REFERENCE_DOWNLOAD_BYTES = 40 * 1024 * 1024;
+const MAX_REFERENCE_DOWNLOAD_BYTES = 64 * 1024 * 1024;
 const REFERENCE_STAGING_CACHE_MS = 60_000;
 const REFERENCE_STAGING_KEY_PREFIX = "uploads/vip98k-";
 const MAX_SUBMISSION_ATTEMPTS = 3;