diff --git a/changelogs/fragments/624-cluster_upgrade-add-default-random-uuid-to-engine_correlation_id.yml b/changelogs/fragments/624-cluster_upgrade-add-default-random-uuid-to-engine_correlation_id.yml
new file mode 100644
index 00000000..77b5aceb
--- /dev/null
+++ b/changelogs/fragments/624-cluster_upgrade-add-default-random-uuid-to-engine_correlation_id.yml
@@ -0,0 +1,3 @@
+---
+bugfixes:
+  - cluster_upgrade - Add default random uuid to engine_correlation_id (https://github.com/oVirt/ovirt-ansible-collection/pull/624).
diff --git a/roles/cluster_upgrade/README.md b/roles/cluster_upgrade/README.md
index 8a17c050..9b30a839 100644
--- a/roles/cluster_upgrade/README.md
+++ b/roles/cluster_upgrade/README.md
@@ -20,7 +20,7 @@ Role Variables
 | healing_in_progress_checks            | 6                     | Maximum number of attempts to check if gluster healing is still in progress. |
 | healing_in_progress_check_delay              | 300                   | The delay in seconds between each attempt to check if gluster healing is still in progress.    |
 | wait_to_finish_healing  | 5                     | Delay in minutes to wait to finish gluster healing process after successful host upgrade.             |
-| engine_correlation_id  | UNDEF                  | The correlation id with which be the role run.             |
+| engine_correlation_id   | <i>Randomly generated UUID</i> | The correlation id with which be the role run. |
 
 Example Playbook
 ----------------
diff --git a/roles/cluster_upgrade/defaults/main.yml b/roles/cluster_upgrade/defaults/main.yml
index 25c50b80..7423f262 100644
--- a/roles/cluster_upgrade/defaults/main.yml
+++ b/roles/cluster_upgrade/defaults/main.yml
@@ -14,3 +14,4 @@ pinned_vms_names: []
 healing_in_progress_checks: 6
 healing_in_progress_check_delay: 300
 wait_to_finish_healing: 5
+engine_correlation_id: "{{ 99999999 | random | to_uuid }}"