diff --git a/charts/unbound/Chart.yaml b/charts/unbound/Chart.yaml
index a9f7c89..25bb241 100644
--- a/charts/unbound/Chart.yaml
+++ b/charts/unbound/Chart.yaml
@@ -2,7 +2,7 @@ apiVersion: v1
 description: Unbound is a fast caching DNS resolver
 home: https://www.unbound.net/
 name: unbound
-version: 0.0.4
+version: 0.0.5
 appVersion: 0.0.1
 sources:
 - http://unbound.nlnetlabs.nl/svn/
diff --git a/charts/unbound/values.yaml b/charts/unbound/values.yaml
index ae91ace..1ff24a1 100644
--- a/charts/unbound/values.yaml
+++ b/charts/unbound/values.yaml
@@ -19,6 +19,8 @@ containers:
       logLocalActions: "yes"
       logServfail: "yes"
       numThreads: 1
+      # for tcp see comment on service, should be enabled
+      # udp is enabled by default due to healthz container nslookup checks are udp only
       doTcp: "yes"
       doIp6: "no"
       prefetch: "yes"
@@ -100,8 +102,10 @@ readinessProbe:
 
 service:
   type: ClusterIP
+  # due to https://ben-lab.github.io/kubernetes-UDP-TCP-bug-same-port/ annoce deployed, ports will never change
+  # so it's recomended to enable both, you need udp due to coredns forward healt-checks are udp only
   tcp:
-    enabled: false
+    enabled: true
   udp:
     enabled: true
   labels: {}