diff --git a/clusters/cl01tl/helm/grafana-operator/Chart.lock b/clusters/cl01tl/helm/grafana-operator/Chart.lock
index 2c20f13b8..746e65c8f 100644
--- a/clusters/cl01tl/helm/grafana-operator/Chart.lock
+++ b/clusters/cl01tl/helm/grafana-operator/Chart.lock
@@ -1,7 +1,7 @@
 dependencies:
 - name: grafana-operator
   repository: https://grafana.github.io/helm-charts
-  version: 5.21.1
+  version: 5.21.3
 - name: postgres-cluster
   repository: oci://harbor.alexlebens.net/helm-charts
   version: 7.1.3
@@ -11,5 +11,5 @@ dependencies:
 - name: redis-replication
   repository: oci://harbor.alexlebens.net/helm-charts
   version: 0.5.0
-digest: sha256:485cf44121c365717b671a4c9538d7498bd9279f7cceb856dad5a796f9482afe
-generated: "2025-12-18T02:24:32.928254663Z"
+digest: sha256:365d2278759e660dd77e390100d6836cc464a11fed69637aae0e6862b78430df
+generated: "2025-12-18T02:40:54.026064824Z"
diff --git a/clusters/cl01tl/helm/grafana-operator/Chart.yaml b/clusters/cl01tl/helm/grafana-operator/Chart.yaml
index 3d8dcfe9f..f7c820612 100644
--- a/clusters/cl01tl/helm/grafana-operator/Chart.yaml
+++ b/clusters/cl01tl/helm/grafana-operator/Chart.yaml
@@ -17,7 +17,7 @@ maintainers:
   - name: alexlebens
 dependencies:
   - name: grafana-operator
-    version: 5.21.1
+    version: 5.21.3
     repository: https://grafana.github.io/helm-charts
   - name: postgres-cluster
     alias: postgres-18-cluster