diff --git a/kubernetes/apps/observability/grafana/app/helmrelease.yaml b/kubernetes/apps/observability/grafana/app/helmrelease.yaml
index 18d69ab22..629323a60 100644
--- a/kubernetes/apps/observability/grafana/app/helmrelease.yaml
+++ b/kubernetes/apps/observability/grafana/app/helmrelease.yaml
@@ -238,7 +238,7 @@ spec:
         kubernetes-coredns:
           # renovate: depName="Kubernetes / System / CoreDNS"
           gnetId: 15762
-          revision: 19
+          revision: 20
           datasource: Prometheus
         kubernetes-global:
           # renovate: depName="Kubernetes / Views / Global"