diff --git a/helm-charts/support/Chart.yaml b/helm-charts/support/Chart.yaml
index f110765bbd..160ff65a12 100644
--- a/helm-charts/support/Chart.yaml
+++ b/helm-charts/support/Chart.yaml
@@ -21,7 +21,7 @@ dependencies:
   # Grafana for dashboarding of metrics.
   # https://github.com/grafana/helm-charts/tree/main/charts/grafana
   - name: grafana
-    version: 6.61.2
+    version: 7.3.7
     repository: https://grafana.github.io/helm-charts
 
   # ingress-nginx for a k8s Ingress resource controller that routes traffic from
diff --git a/helm-charts/support/values.yaml b/helm-charts/support/values.yaml
index 8472f5d7ab..46c0373331 100644
--- a/helm-charts/support/values.yaml
+++ b/helm-charts/support/values.yaml
@@ -271,6 +271,10 @@ prometheus:
 # values ref: https://github.com/grafana/helm-charts/blob/main/charts/grafana/values.yaml
 #
 grafana:
+  # We decrypt and pass `grafana.adminPassword` just in time as part of
+  # deploying grafana, and find it acceptable - so we disable this strict check.
+  assertNoLeakedSecrets: false
+
   persistence:
     # A PVC is used to enable Grafana to store auth details and dashboard
     # definitions.