diff --git a/ubuntu-18.04/Dockerfile b/ubuntu-18.04/Dockerfile
index c772f61717b542e1057fbf88595ac87b0bbfc4f3..daa7b0261db7c800012e772d1c69ef86ca0da1c4 100644
--- a/ubuntu-18.04/Dockerfile
+++ b/ubuntu-18.04/Dockerfile
@@ -141,7 +141,7 @@ RUN apt-get install -y locales && \
 
 RUN apt-get install -y \
         file \
-        p7zip
+        p7zip-full
 
 COPY jupyter_notebook_config.py /root/.jupyter/
 ADD mxnet_profile.sh /etc/profile.d/mxnet.sh