diff --git a/config.json b/config.json
index d818156..e0906c8 100644
--- a/config.json
+++ b/config.json
@@ -79,7 +79,7 @@
           2
         ],
         "max_num_seqs": 32,
-        "gpu_util": "0.90",
+        "gpu_util": "0.88",
         "tool_call_parser": "qwen3_coder",
         "reasoning_parser": "qwen3",
         "enable_auto_tool_choice": true,
@@ -93,7 +93,7 @@
           "method": "dflash",
           "model": "Qwen3.6-27B-DFlash",
           "num_speculative_tokens": 8,
-          "draft_tensor_parallel_size": 2
+          "draft_tensor_parallel_size": 1
         }
       }
     }