diff --git a/bootstrap/inventory/prod/group_vars/k8s-cluster/k8s-cluster.yml b/bootstrap/inventory/prod/group_vars/k8s-cluster/k8s-cluster.yml
index 15fb70b..cfb449d 100644
--- a/bootstrap/inventory/prod/group_vars/k8s-cluster/k8s-cluster.yml
+++ b/bootstrap/inventory/prod/group_vars/k8s-cluster/k8s-cluster.yml
@@ -20,7 +20,7 @@ kube_users_dir: "{{ kube_config_dir }}/users"
 kube_api_anonymous_auth: true
 
 ## Change this to use another Kubernetes version, e.g. a current beta release
-kube_version: v1.18.10
+kube_version: v1.19.2
 
 # kubernetes image repo define
 kube_image_repo: "k8s.gcr.io"
@@ -168,7 +168,9 @@ coredns_k8s_external_zone: k8s_external.local
 enable_coredns_k8s_endpoint_pod_names: false
 
 # Can be docker_dns, host_resolvconf or none
-resolvconf_mode: docker_dns
+resolvconf_mode: host_resolvconf
+# 20201226#Moritz changed to host_resolvconf to evaluate whether there are problems with docker_dns
+#resolvconf_mode: docker_dns
 # Deploy netchecker app to verify DNS resolve as an HTTP service
 deploy_netchecker: false
 # Ip address of the kubernetes skydns service