diff --git a/docs/developer-setup.rst b/docs/developer-setup.rst
--- a/docs/developer-setup.rst
+++ b/docs/developer-setup.rst
@@ -30,7 +30,7 @@
   sudo apt install python3 python3-venv libsvn-dev postgresql-11 \
                    libsystemd-dev libpython3-dev graphviz postgresql-autodoc \
                    postgresql-server-dev-all virtualenvwrapper git build-essential \
-                   pkg-config myrepos
+                   pkg-config myrepos lzip
 
 
 Checkout the source code