diff --git a/Dockerfile b/Dockerfile
index f911a35..0792c2a 100755
--- a/Dockerfile
+++ b/Dockerfile
@@ -34,7 +34,7 @@ RUN pip install --upgrade pip
 RUN pip install 'pandas==2.0.1' -i https://pypi.tuna.tsinghua.edu.cn/simple
 RUN pip install git+https://gitee.com/epool/pymc2
 RUN pip install git+https://gitee.com/epool/kabuki
-RUN pip install git+https://gitee.com/epool/ssm-simulators -i https://pypi.tuna.tsinghua.edu.cn/simple 
+RUN pip install git+https://gitee.com/epool/ssm-simulators@dockerHDDM_stable -i https://pypi.tuna.tsinghua.edu.cn/simple 
 RUN pip install git+https://gitee.com/epool/hddm.git && \
   fix-permissions "/home/${NB_USER}"