diff --git a/promenade/templates/roles/common/etc/chrony/chrony.conf b/promenade/templates/roles/common/etc/chrony/chrony.conf
index 29a3d0f6..b377b9e0 100644
--- a/promenade/templates/roles/common/etc/chrony/chrony.conf
+++ b/promenade/templates/roles/common/etc/chrony/chrony.conf
@@ -28,3 +28,6 @@ makestep 1 3
 {% for server in config['KubernetesNetwork:ntp.servers'] | default([]) %}
 server {{ server }} iburst
 {%- endfor %}
+
+#Enable Chrony to operate as an NTP server for local applications e.g. Prometheus.
+allow 127.0.0.0/8