diff --git a/runtime/python/Dockerfile b/runtime/python/Dockerfile
index 6b5e944..ae7e01f 100644
--- a/runtime/python/Dockerfile
+++ b/runtime/python/Dockerfile
@@ -5,7 +5,7 @@ WORKDIR /opt/CosyVoice
 
 RUN sed -i s@/archive.ubuntu.com/@/mirrors.aliyun.com/@g /etc/apt/sources.list
 RUN apt-get update -y
-RUN apt-get -y install git unzip git-lfs
+RUN apt-get -y install git unzip git-lfs g++
 RUN git lfs install
 RUN git clone --recursive https://github.com/FunAudioLLM/CosyVoice.git
 # here we use python==3.10 because we cannot find an image which have both python3.8 and torch2.0.1-cu118 installed