diff --git a/tasks/install_packages.yml b/tasks/install_packages.yml
index c04a75415c71604d8924a83731aa5b71c63a0ec7..73bb43553d0067f7abfe35aeb7b795c095be2c1b 100644
--- a/tasks/install_packages.yml
+++ b/tasks/install_packages.yml
@@ -4,7 +4,7 @@
   when: ( ansible_os_family == 'RedHat' ) and
         ( ansible_distribution_major_version == "7" )
 
-- name: install packages required by ExLibris
+- name: install packages required by ExLibris and additional packages
   ansible.builtin.yum:
-    name: "{{ redhat_packages }}"
+    name: "{{ redhat_packages + [ 'kernel-doc' ] }}"
     state: present