diff --git a/cmdeploy/src/cmdeploy/unbound/unbound.conf.j2 b/cmdeploy/src/cmdeploy/unbound/unbound.conf.j2
new file mode 100644
index 00000000..8fff4c71
--- /dev/null
+++ b/cmdeploy/src/cmdeploy/unbound/unbound.conf.j2
@@ -0,0 +1,4 @@
+# Managed by cmdeploy: disable IPv6 in unbound.
+server:
+  interface: 127.0.0.1
+  do-ip6: no