diff --git a/docker/services/mistral-engine.yaml b/docker/services/mistral-engine.yaml
index c8639231df..cfc1b2c420 100644
--- a/docker/services/mistral-engine.yaml
+++ b/docker/services/mistral-engine.yaml
@@ -112,6 +112,7 @@ outputs:
                   - /var/log/containers/mistral:/var/log/mistral
                   - /var/lib/mistral:/var/lib/mistral:ro
                   - /usr/share/ansible/:/usr/share/ansible/:ro
+                  - /usr/share/openstack-tripleo-validations:/usr/share/openstack-tripleo-validations:ro
             environment:
               - KOLLA_CONFIG_STRATEGY=COPY_ALWAYS
       host_prep_tasks:
diff --git a/docker/services/mistral-event-engine.yaml b/docker/services/mistral-event-engine.yaml
index 98a88f9500..bc85479570 100644
--- a/docker/services/mistral-event-engine.yaml
+++ b/docker/services/mistral-event-engine.yaml
@@ -112,6 +112,7 @@ outputs:
                   - /var/log/containers/mistral:/var/log/mistral
                   - /var/lib/mistral:/var/lib/mistral:ro
                   - /usr/share/ansible/:/usr/share/ansible/:ro
+                  - /usr/share/openstack-tripleo-validations:/usr/share/openstack-tripleo-validations:ro
             environment:
               - KOLLA_CONFIG_STRATEGY=COPY_ALWAYS
       host_prep_tasks:
diff --git a/docker/services/mistral-executor.yaml b/docker/services/mistral-executor.yaml
index 85a31d9edb..3d01bc5ad3 100644
--- a/docker/services/mistral-executor.yaml
+++ b/docker/services/mistral-executor.yaml
@@ -126,6 +126,7 @@ outputs:
                   - /var/log/containers/mistral:/var/log/mistral
                   - /var/lib/mistral:/var/lib/mistral
                   - /usr/share/ansible/:/usr/share/ansible/:ro
+                  - /usr/share/openstack-tripleo-validations:/usr/share/openstack-tripleo-validations:ro
                 - {get_param: MistralExecutorVolumes}
                 - {get_param: MistralExecutorExtraVolumes}
             environment: