diff --git a/ansible/roles/os/vars/main.yml b/ansible/roles/os/vars/main.yml
index 87f2707..c895247 100644
--- a/ansible/roles/os/vars/main.yml
+++ b/ansible/roles/os/vars/main.yml
@@ -6,6 +6,7 @@ packages:
     - ansible-core
     - jinja2
     - lxml
+    - markupsafe
     - pip
     - setuptools
     - wheel