diff --git a/src/layer.yaml b/src/layer.yaml
index 51437da..6b92584 100644
--- a/src/layer.yaml
+++ b/src/layer.yaml
@@ -5,3 +5,7 @@ includes:
   - interface:keystone
   - interface:barbican-hsm
 repo: https://github.com/openstack/charm-barbican
+options:
+  basic:
+    use_venv: true
+    include_system_packages: true