diff --git a/src/llamafactory/chat/vllm_engine.py b/src/llamafactory/chat/vllm_engine.py
index 8d602655..ba0cc1b3 100644
--- a/src/llamafactory/chat/vllm_engine.py
+++ b/src/llamafactory/chat/vllm_engine.py
@@ -59,6 +59,7 @@ class VllmEngine(BaseEngine):
             "disable_log_requests": True,
             "enforce_eager": model_args.vllm_enforce_eager,
             "enable_lora": model_args.adapter_name_or_path is not None,
+            "max_lora_rank": model_args.vllm_max_lora_rank,
         }
 
         if model_args.visual_inputs:
diff --git a/src/llamafactory/hparams/model_args.py b/src/llamafactory/hparams/model_args.py
index ac70bb3c..5885bb09 100644
--- a/src/llamafactory/hparams/model_args.py
+++ b/src/llamafactory/hparams/model_args.py
@@ -117,6 +117,10 @@ class ModelArguments:
         default=False,
         metadata={"help": "Whether or not to disable CUDA graph in the vLLM engine."},
     )
+    vllm_max_lora_rank: int = field(
+        default=8,
+        metadata={"help": "Maximum rank of all LoRAs in the vLLM engine."},
+    )
     offload_folder: str = field(
         default="offload",
         metadata={"help": "Path to offload model weights."},