diff --git a/charts/kube-prometheus-stack/Chart.lock b/charts/kube-prometheus-stack/Chart.lock
index 9c57c0f..19f3c70 100644
--- a/charts/kube-prometheus-stack/Chart.lock
+++ b/charts/kube-prometheus-stack/Chart.lock
@@ -1,6 +1,6 @@
 dependencies:
 - name: kube-prometheus-stack
   repository: https://prometheus-community.github.io/helm-charts
-  version: 85.1.2
-digest: sha256:c26bfd3a98cb637975c82db1ae52b4cbc3463a0b6e71f107229c1f32b8e6392b
-generated: "2026-05-16T20:46:38.110296449Z"
+  version: 85.1.3
+digest: sha256:e304288d43053157acb1f3843c5d608059d5093d310321b2f162b4a9c596f0f6
+generated: "2026-05-18T19:34:28.978504963Z"
diff --git a/charts/kube-prometheus-stack/Chart.yaml b/charts/kube-prometheus-stack/Chart.yaml
index d94d8bd..d4a3fbf 100644
--- a/charts/kube-prometheus-stack/Chart.yaml
+++ b/charts/kube-prometheus-stack/Chart.yaml
@@ -2,12 +2,12 @@ apiVersion: v2
 name: monitoring-stack
 description: Prometheus, Grafana, and Alertmanager stack for homelab Kubernetes cluster
 type: application
-version: 1.5.4
+version: 1.5.5
 appVersion: "v0.68.0"
 maintainers:
   - name: homelab
 
 dependencies:
   - name: kube-prometheus-stack
-    version: 85.1.2
+    version: 85.1.3
     repository: https://prometheus-community.github.io/helm-charts