diff --git a/argoapps/zurrli/grafana.yaml b/argoapps/zurrli/grafana.yaml
index ad08920..a253c39 100644
--- a/argoapps/zurrli/grafana.yaml
+++ b/argoapps/zurrli/grafana.yaml
@@ -10,7 +10,7 @@ spec:
   sources:
     - chart: grafana
       repoURL: https://grafana.github.io/helm-charts
-      targetRevision: 7.3.8
+      targetRevision: 7.3.9
       helm:
         values: |
           env: