diff --git a/kubernetes/coredns.yaml.sed b/kubernetes/coredns.yaml.sed
index ade4725..ce6e9fd 100644
--- a/kubernetes/coredns.yaml.sed
+++ b/kubernetes/coredns.yaml.sed
@@ -117,7 +117,7 @@ spec:
              topologyKey: kubernetes.io/hostname
       containers:
       - name: coredns
-        image: coredns/coredns:1.9.4
+        image: coredns/coredns:1.11.3
         imagePullPolicy: IfNotPresent
         resources:
           limits:
@@ -163,6 +163,10 @@ spec:
             port: 8181
             scheme: HTTP
       dnsPolicy: Default
+      securityContext:
+        sysctls:
+        - name: net.ipv4.ip_unprivileged_port_start
+          value: "53"
       volumes:
         - name: config-volume
           configMap: