diff --git a/docker/Ubuntu18.04-pytorch1.7.1-cuda11.0-cudnn8/Dockerfile b/docker/Ubuntu18.04-pytorch1.7.1-cuda11.0-cudnn8/Dockerfile
index a9caf07ed..2d446a1fa 100644
--- a/docker/Ubuntu18.04-pytorch1.7.1-cuda11.0-cudnn8/Dockerfile
+++ b/docker/Ubuntu18.04-pytorch1.7.1-cuda11.0-cudnn8/Dockerfile
@@ -81,7 +81,7 @@ RUN git clone https://github.com/k2-fsa/k2.git /opt/k2 && \
 # install  lhotse
 RUN pip install git+https://github.com/lhotse-speech/lhotse
 #RUN pip install lhotse
-
+RUN pip install torchaudio==0.7.2
 # install icefall
 RUN git clone https://github.com/k2-fsa/icefall && \
     cd icefall && \