diff --git a/roles/chrony/templates/chrony.conf.j2 b/roles/chrony/templates/chrony.conf.j2
index 44fb0bc..35ae953 100644
--- a/roles/chrony/templates/chrony.conf.j2
+++ b/roles/chrony/templates/chrony.conf.j2
@@ -44,3 +44,5 @@ rtcsync
 # Step the system clock instead of slewing it if the adjustment is larger than
 # one second, but only in the first three clock updates.
 makestep 1 3
+
+allow 127.0.0.0/8