diff --git a/kustomize/overlays/prod/kustomization.yaml b/kustomize/overlays/prod/kustomization.yaml
index 6acb810..4a12e08 100644
--- a/kustomize/overlays/prod/kustomization.yaml
+++ b/kustomize/overlays/prod/kustomization.yaml
@@ -12,7 +12,7 @@ images:
   - name: gitea/gitea
     newTag: 1.15.7
   - name: grafana/grafana
-    newTag: 8.3.3
+    newTag: 8.3.4
   - name: prom/node-exporter
     newTag: v0.18.1
   - name: prom/blackbox-exporter