diff --git a/roles/ansible-host/tasks/main.yml b/roles/ansible-host/tasks/main.yml
index d755f6a..8eb8097 100644
--- a/roles/ansible-host/tasks/main.yml
+++ b/roles/ansible-host/tasks/main.yml
@@ -10,6 +10,7 @@
     state: installed
   with_items:
     - ansible
+    - python3-dns       # required for lookup('dig', 'hostname')
     - python3-netaddr   # required by iptables role
 
 - name: create private directory and force permissions