diff --git a/cluster/juju/layers/kubernetes-master/reactive/kubernetes_master.py b/cluster/juju/layers/kubernetes-master/reactive/kubernetes_master.py
index 0dad475942e..ff764bf8080 100644
--- a/cluster/juju/layers/kubernetes-master/reactive/kubernetes_master.py
+++ b/cluster/juju/layers/kubernetes-master/reactive/kubernetes_master.py
@@ -601,6 +601,7 @@ def configure_cdk_addons():
     dnsEnabled = str(hookenv.config('enable-kube-dns')).lower()
     args = [
         'arch=' + arch(),
+        'dns-ip=' + get_deprecated_dns_ip(),
         'dns-domain=' + hookenv.config('dns_domain'),
         'enable-dashboard=' + dbEnabled,
         'enable-kube-dns=' + dnsEnabled
@@ -976,6 +977,14 @@ def get_dns_ip():
     return svc['spec']['clusterIP']
 
 
+def get_deprecated_dns_ip():
+    '''We previously hardcoded the dns ip. This function returns the old
+    hardcoded value for use with older versions of cdk_addons.'''
+    interface = ipaddress.IPv4Interface(service_cidr())
+    ip = interface.network.network_address + 10
+    return ip.exploded
+
+
 def get_kubernetes_service_ip():
     '''Get the IP address for the kubernetes service based on the cidr.'''
     interface = ipaddress.IPv4Interface(service_cidr())