diff --git a/charts/actions-runner-controller/README.md b/charts/actions-runner-controller/README.md
index d291bb6f..2ed82f96 100644
--- a/charts/actions-runner-controller/README.md
+++ b/charts/actions-runner-controller/README.md
@@ -35,6 +35,7 @@ All additional docs are kept in the `docs/` folder, this README is solely for do
 | `authSecret.github_basicauth_password`                   | Password for GitHub basic auth to use instead of PAT or GitHub APP in case it's running behind a proxy API                                |                                                                                                 |
 | `dockerRegistryMirror`                                   | The default Docker Registry Mirror used by runners.                                                                                       |                                                                                                 |
 | `hostNetwork`                                            | The "hostNetwork" of the controller container                                                                                             | false                                                                                           |
+| `dnsPolicy`                                              | The "dnsPolicy" of the controller container                                                                                               | ClusterFirst                                                                                    |
 | `image.repository`                                       | The "repository/image" of the controller container                                                                                        | summerwind/actions-runner-controller                                                            |
 | `image.tag`                                              | The tag of the controller container                                                                                                       |                                                                                                 |
 | `image.actionsRunnerRepositoryAndTag`                    | The "repository/image" of the actions runner container                                                                                    | summerwind/actions-runner:latest                                                                |
diff --git a/charts/actions-runner-controller/templates/deployment.yaml b/charts/actions-runner-controller/templates/deployment.yaml
index 845da835..3490f989 100644
--- a/charts/actions-runner-controller/templates/deployment.yaml
+++ b/charts/actions-runner-controller/templates/deployment.yaml
@@ -214,3 +214,6 @@ spec:
       {{- if .Values.hostNetwork }}
       hostNetwork: {{ .Values.hostNetwork }}
       {{- end }}
+      {{- if .Values.dnsPolicy }}
+      dnsPolicy: {{ .Values.dnsPolicy }}
+      {{- end }}
diff --git a/charts/actions-runner-controller/values.yaml b/charts/actions-runner-controller/values.yaml
index 97d0eb74..92cb3dce 100644
--- a/charts/actions-runner-controller/values.yaml
+++ b/charts/actions-runner-controller/values.yaml
@@ -189,6 +189,10 @@ admissionWebHooks:
 # https://github.com/actions/actions-runner-controller/issues/1005#issuecomment-993097155
 #hostNetwork: true
 
+# If you use `hostNetwork: true`, then you need dnsPolicy: ClusterFirstWithHostNet
+# https://kubernetes.io/docs/concepts/services-networking/dns-pod-service/#pod-s-dns-policy
+#dnsPolicy: ClusterFirst
+
 ## specify log format for actions runner controller.  Valid options are "text" and "json"
 logFormat: text