diff --git a/README.md b/README.md
index 53b9aefa8..ba93c28bd 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ Apache, though we will be expanding it to other platforms.
 
 ```
 sudo apt-get install python python-setuptools python-virtualenv \
-  python-dev gcc swig dialog libssl-dev
+  python-dev gcc swig dialog libaugeas0 libssl-dev
 virtualenv --no-site-packages venv
 ./venv/bin/python setup.py install
 sudo ./venv/bin/letsencrypt