diff --git a/container-images/tripleo_kolla_template_overrides.j2 b/container-images/tripleo_kolla_template_overrides.j2
index 8188ac232..0eb0f7f84 100644
--- a/container-images/tripleo_kolla_template_overrides.j2
+++ b/container-images/tripleo_kolla_template_overrides.j2
@@ -590,5 +590,5 @@ 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 # but if the base distro container is out of date (i.g. 7.4 but 7.5 is out) this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 %}