diff --git a/playbooks/roles/common/tasks/ubuntu.yml b/playbooks/roles/common/tasks/ubuntu.yml
index cef4ac23..dae12063 100644
--- a/playbooks/roles/common/tasks/ubuntu.yml
+++ b/playbooks/roles/common/tasks/ubuntu.yml
@@ -19,11 +19,11 @@
   when: ansible_distribution_version | version_compare('14.04', 'ge')
 
 
-- name: install pdf prerequisites for Ubuntu < 16.04
+- name: install pdf prerequisites for Ubuntu < 18.04
   apt: pkg={{ item }} state=present force=yes
   with_items:
     - libssl-dev
-  when: ansible_distribution_version | version_compare('16.04', 'lt')
+  when: ansible_distribution_version | version_compare('18.04', 'lt')
 
 - name: install pdf prerequisites for Ubuntu >= 18.04
   apt: pkg={{ item }} state=present force=yes