diff --git a/container-images/tripleo_kolla_template_overrides.j2 b/container-images/tripleo_kolla_template_overrides.j2
index d0497ac84..01d8fe67e 100644
--- a/container-images/tripleo_kolla_template_overrides.j2
+++ b/container-images/tripleo_kolla_template_overrides.j2
@@ -580,5 +580,5 @@ STOPSIGNAL SIGTERM
 # a yum update in the kolla base image. All the other images should inherit this
 # but if the base distro container is out of date (i.g. 7.4 but 7.5 is out) this
 # will pull in the updated packages available. Related issue LP#1770355
-RUN yum update -y && yum clean all
+RUN yum update -y && yum clean all && rm -rf /var/cache/yum
 {% endblock %}