diff --git a/Dockerfile b/Dockerfile
index 487a2bd..31f3300 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -31,7 +31,9 @@ RUN pip install \
     -r ./evalscope/requirements/docs.txt \
     -r ./evalscope/requirements/perf.txt \
     -r ./evalscope/requirements/rag.txt && \
-    pip install -e ./evalscope
+    pip install -e ./evalscope && \
+    # ✅ 清理 pip 缓存
+    rm -rf /root/.cache/pip
 
 # 启动 Gradio 服务
 CMD ["python3", "gradio_ui.py"]