diff --git a/src/layer.yaml b/src/layer.yaml
index cb07dcb..27dd2ae 100644
--- a/src/layer.yaml
+++ b/src/layer.yaml
@@ -3,4 +3,3 @@ repo: https://github.com/openstack/charm-barbican-softhsm
 options:
   basic:
     use_venv: true
-    include_system_packages: true
diff --git a/src/wheelhouse.txt b/src/wheelhouse.txt
new file mode 100644
index 0000000..17c1230
--- /dev/null
+++ b/src/wheelhouse.txt
@@ -0,0 +1,3 @@
+
+jinja2
+psutil