diff --git a/jsk_unitree_robot/cross/docker/deb-packages.txt b/jsk_unitree_robot/cross/docker/deb-packages.txt
index 84684bfd7c..f4b65059c9 100644
--- a/jsk_unitree_robot/cross/docker/deb-packages.txt
+++ b/jsk_unitree_robot/cross/docker/deb-packages.txt
@@ -1125,6 +1125,7 @@ python3-setuptools
 python3-simplejson
 python3-six
 python3-urllib3
+python3-venv
 python3-webencodings
 python3-wheel
 python3-xdg