diff --git a/vars/ubuntu.yml b/vars/ubuntu.yml
index 5bcf27c..60b86fe 100644
--- a/vars/ubuntu.yml
+++ b/vars/ubuntu.yml
@@ -16,7 +16,9 @@
 mistral_devel_distro_packages:
   - git-core
 
-mistral_distro_packages: []
+mistral_distro_packages:
+  - libxml2
+  - libpython2.7
 
 mistral_service_distro_packages:
   - mistral-api