diff --git a/config.json b/config.json
index 143f5b1..4e88e99 100644
--- a/config.json
+++ b/config.json
@@ -104,6 +104,7 @@
         "max_tokens": "16384",
         "gpu_util": "0.94",
         "enforce_eager": false,
+        "enable_prefix_caching": true,
         "tool_call_parser": "qwen3_coder",
         "reasoning_parser": "qwen3",
         "enable_auto_tool_choice": true,