diff --git a/nagios-nrpe/tasks/main.yml b/nagios-nrpe/tasks/main.yml
index aa36f9c9..5d4c01aa 100644
--- a/nagios-nrpe/tasks/main.yml
+++ b/nagios-nrpe/tasks/main.yml
@@ -17,6 +17,7 @@
   ansible.builtin.apt:
     name:
       - libfcgi-client-perl
+      - ruby-crack
     state: present
   when:
     - ansible_distribution == "Debian"