diff --git a/app/workers/summarize_worker.py b/app/workers/summarize_worker.py
index 6f51ed2..cfdaa76 100644
--- a/app/workers/summarize_worker.py
+++ b/app/workers/summarize_worker.py
@@ -64,7 +64,7 @@ async def process(document_id: int, session: AsyncSession) -> None:
             summary = carry
 
         doc.ai_summary = strip_thinking(summary)
-        doc.ai_model_version = "qwen3.5-35b-a3b"
+        doc.ai_model_version = client.ai.primary.model
         doc.ai_processed_at = datetime.now(timezone.utc)
         logger.info(
             f"[요약] document_id={document_id}: {len(doc.ai_summary)}자 final"