diff --git a/spcd/__init__.py b/spcd/__init__.py
index d38a0a3..25827f6 100644
--- a/spcd/__init__.py
+++ b/spcd/__init__.py
@@ -37,11 +37,14 @@ def main(main: str) -> None:
         spcd.set_ssh(*arguments)
         spcd.install_commands(main)
         # FIXME abstract command
+        step("Install packages")
         run(
             "apt-get",
             "install",
             "--assume-yes",
             "graphviz",
+            "python3-sphinx",
+            "python3-sphinx-rtd-theme",
         )
     else:
         function = getattr(cmd, name.replace("-", "_"))