diff --git a/charts/dyndns/templates/cronjob.yaml b/charts/dyndns/templates/cronjob.yaml
index ec224c1..9fc7600 100644
--- a/charts/dyndns/templates/cronjob.yaml
+++ b/charts/dyndns/templates/cronjob.yaml
@@ -11,7 +11,7 @@ spec:
           serviceAccountName: dyndns-update
           containers:
           - name: dyndns-update
-            image: bitnami/kubectl:1.20
+            image: bitnami/kubectl:1.31
             command:
             - /bin/sh
             - -c